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What's Really Behind the Twins BABIP?

This is what outfield defense looks like. Too bad we haven't seen more of it...

Over the past few days, there have been a number of great discussions about the Twins pitchers across the Twins blogosphere. After some discussion about what starting pitchers the Twins should target during Twinkie Town's "Trade Deadline Week" (a week early), Luke in MN provided an excellent rebuttal of the conventional wisdom by arguing that The Twins have the best starters in the AL. The core of Luke's argument focused on the starting rotation's fielding independent pitching numbers, noting Francisco Liriano is #1 in MLB (and it's not even close), Carl Pavano is top ten, etc. But the pitching staff doesn't get the credit they deserve because high BABIP numbers for Liriano, Scott Baker and others has resulted in ERAs that are significantly greater than xFIP. I've argued that while Liriano's high BABIP is due to luck. Baker's is due to a very high line drive rate. Yesterday, Aaron Gleeman provided another explanation in his Twins Notes that outfield defense (Twins rank 24th in MLB according to UZR) is a major reason that Liriano's BABIP stood at a league high .357. Naturally, I wanted to test our theories using my "Total Run Accounting" software. Is Liriano's high BABIP really due to our outfielders' inability to catch his fly balls? Is this consistent across all five of the starters? In general, how are the Twins starters BABIP relative to their "Expected" BABIP, which I discussed in far more detail here in "Another Way of Looking at BABIP" in May. 

The answers might surprise you. More after the jump...

Star-divide

First of all, let's look at the Twins starting rotation (with Nick Blackburn instead of Brian Duensing, since he has so many more starts) and how their batted balls break down by type. Note: My numbers below may differ from what you find on Fangraphs because (a) my data is only through July 19th, downloading MLB's data takes some time, (b) I use data directly from MLB's Gameday site, they specify ground ball, fly ball, pop fly, line drive and bunt, and (c) I don't remove sacrifice bunts from the equation.

From my previous examination of BABIP, I determined the "expected" BABIP for each type of batted ball.

Type BABIP
Line Drive .720
Ground Ball .231
Fly Ball .171
Bunt .179
Pop Fly .019

 

We can apply these "expected" BABIP numbers to each pitcher's actual batted ball breakdown to determine their own overall "expected" BABIP (eBABIP).

Pitcher LD% GB% FB% PF% BU% eBABIP
Francisco Liriano 18.2 51.9 21.1 4.7 4.1 .295
Carl Pavano 17.1 49.9 25.5 4.8 2.7 .288
Scott Baker 21.3 37.9 28.4 11.2 1.1 .294
Kevin Slowey 20.3 28.3 38.2 12.0 1.2 .281
Nick Blackburn 15.2 52.1 24.6 6.7 1.3 .276

 

A few numbers jump out at me here. First, Liriano has been even better than I thought at inducing ground balls, nearly 2.5 to 1 when you remove the pop flies. Second, both Slowey and Baker have been very good at inducing pop flies, which helps to counter their high line drive rates and keep their eBABIP down. Finally, guess who has given up the fewest line drives and has the lowest eBABIP? Mr. out of the rotation Nick Blackburn. Go figure.

Now look at each pitcher's ERA compared to xFIP and BABIP to eBABIP.

Pitcher ERA xFIP BABIP eBABIP
Francisco Liriano 3.35 2.91 .340 .295
Carl Pavano 3.26 3.88 .253 .288
Scott Baker 5.00 3.77 .330 .294
Kevin Slowey 4.39 4.39 .320 .281
Nick Blackburn 6.66 5.10 .326 .276

 

As you can see, only Pavano has outperformed his xFIP, likely due to a significantly lower than expected BABIP. On the other hand, everyone else's BABIP is much higher than expected. I have to admit that I was wrong about Baker's BABIP being driven by his line drive rate, he has nearly the same gap relative to expectations that Liriano has. I noticed the same overall BABIP effect for the 2009 season, but attributed to a well below average defense, as evidenced by the Twins overall BABIP by type for the 2009 season:

Type MLB Avg BABIP MLB Rank
Line Drive .720 .723 19
Ground Ball .231 .253 30
Fly Ball .171 .191 24
Pop Fly .019 .026 24

 

Here are the 2010 numbers for the Twins pitching staff:

Type MLB Avg BABIP MLB Rank
Line Drive .720 .733 22
Ground Ball .231 .229 15
Fly Ball .171 .220 29
Pop Fly .019 .014 5

 

What jumps out here is a much improved infield defense (thank you J.J. Hardy, Orlando Hudson and Danny Valencia), but the second worst outfield defense in baseball. This may be partially due to more balls falling in front of the fence rather than flying out of Target Field, but when you put Delmon Young (albeit improved over 2008 and 2009), Michael Cuddyer and Jason Kubel out there every day, that's not a very good outfield defense.

To Aaron Gleeman's point, he appears to be correct, fly balls are a driver for the high BABIPs. But one final point regarding BABIP and fly balls. For whatever reason (likely luck / sample size), not every pitcher has had issues with fly balls. Remember, across all of baseball the expected BABIP for fly balls is .171, and overall for the Twins it is much higher, .220.

Pitcher FB BABIP
Francisco Liriano .313
Carl Pavano .132
Scott Baker .293
Kevin Slowey .242
Nick Blackburn .272

 

Wow. Just compare Liriano to Pavano on fly balls. Liriano has been extremely unlucky on fly balls, his .313 BABIP is highest in the Majors, well above the second most unlucky pitcher...Scott Baker! Among non-Twins, Chad Billingsley is third highest at .286. How valuable is outfield defense again? On the other side, Pavano is one of the luckiest pitchers in baseball at .132 BABIP on fly balls. Ted Lilly is by far the lowest at .058, but Pavano is still well below average, though not in the bottom 40 across all starters.

In summary, Carl Pavano has been really good so far, but evidence indicates that he's been lucky, which may come back to haunt him at some point. Francisco Liriano and the other starters have been relatively unlucky, although outfield defense certainly appears to have played a role in that "luck".

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Awesome.

And I’m sure Gleeman will like that we’re supporting his theory!

by Jesse on Jul 27, 2010 8:39 AM EDT reply actions  

That's why I initially did this

Figured I’d either find evidence to support or disprove his assertion. And found a very large BABIP on the fly ball side.

by Adam Peterson on Jul 27, 2010 10:01 AM EDT up reply actions  

+1

Another great read. I heard you were going to the O’s game with dragon last week but it didn’t work out. Maybe next year?

by bl4ckduck on Jul 27, 2010 1:37 PM EDT up reply actions  

It worked out, I went to the Saturday game with Dragon

and then Sunday on my own. Sweltered both days and I loved it.

by Adam Peterson on Jul 27, 2010 1:39 PM EDT up reply actions  

Well done.

Thanks for breaking it down a bit more. Now what would be interesting is if the runs they’re producing are worth the runs they’re costing?

by MC Thunder on Jul 27, 2010 9:33 AM EDT reply actions  

Right now, UZR / WAR is the best we have

And according to Fangraphs:

Delmon Young: +16.8 runs batting, -2.8 runs fielding = +14.0 runs above average
Michael Cuddyer: +5.8 runs batting, -9.8 runs fielding = -4.0 RAA
Jason Kubel: +4.4 runs batting, -5.7 runs fielding = -1.3 RAA

Basically, this year, Cuddyer and Kubel aren’t quite hitting well enough to provide above average value. There’s a little value above replacement, +0.6 and +0.5 WAR respectively, but not much at this point.

I’m (still) working on an apples to apples incorporation of fielding and pitching runs into my TRA software, but I’m still working through issues with the MLB batted ball data, specifically location where the ball is fielded versus where it is actually hit.

by Adam Peterson on Jul 27, 2010 10:00 AM EDT up reply actions  

Kubel

I think that, end of the day, Kubel is our best trade bait. I know I said it last year, and got absolutely jumped on, but some team out there would love to have a lefty masher, who dominates RHP and can play OF in a pinchy. We don’t need him. We have Mauer/Morneau/Thome, not to mention a bunch of other hitters who are better against RHP. We have a glut of outfielders a couple years away, and terribly slow OF’s in the MLB right now.

Kubel’s a good player, but he’s going to get more expensive fast, and he can get us value in return. A fast outfield is important when you rely on pitch-to-contact pitchers. The ability to put Cuddyer at DH for his last year (or play hiim in the OF 50% of the time), would be huge.

by snolls on Jul 27, 2010 9:34 AM EDT reply actions  

I'd entertain that thought

depending on what we got in return.

by Jesse on Jul 27, 2010 9:48 AM EDT up reply actions  

I agree, but I'm hesitant

On the offensive side, I agree he’s probably our best trade bait. Someone like the Chicago Cubs, who have been looking for a long time at getting a left handed power bat, would love Kubel. Especially in the smaller Wrigley Field outfield to hid his lack of range. Not sure what I’d look for in return though.

Next year, I would love to see us get an excellent Franklin Gutierrez like defender who can give around average, maybe a little below average offensive production. Perhaps play him in RF or move Span, but upgrade the defense a lot, which would help Baker and Slowey especially. And as you note, Cuddyer at DH a portion of the time, maybe Mauer the rest of the time to keep him fresh. Lots of options.

by Adam Peterson on Jul 27, 2010 10:06 AM EDT up reply actions  

Plus,

it’s another $5 mil off the books for 2011. Not much, but it might come in handy depending on how they expect revenues to look in 2011, if say they wanted to go after a decent free agent.

by Jesse on Jul 27, 2010 10:15 AM EDT up reply actions  

Yup

I’ve also been saying for a long time that I really like the DH by committee approach. I think it keeps guys fresh. If Cuddyer DH’s 3 times / wk, Mauer/Morneau once each, and rotating the last spot, that’s a lot less stress over 6 months.

Now the question is who we could get for outfield. When will Benson be ready…..

by snolls on Jul 27, 2010 4:41 PM EDT up reply actions  

I don't think Seattle would do it

but I would trade Kubel in a second in order to get Franklin Gutierrez. He’s locked up for three more years with an option. And a possible buy low since he’s hitting .246 with a sub-700 OPS. Not that Kubel is “sell high” at this point either…

by Adam Peterson on Jul 28, 2010 8:31 AM EDT up reply actions  

Hate to say it, but I agree

Jason Kubel is one of my favorite players, but part of that is my admiration for how he fought back from his horrible blown knee. Unfortunately, the team can’t afford to have two guys playing the corner positions that have such limited range. I would have to add that Cuddyer doesn’t seem to be covering much ground these days, either, but makes up for it with great anticipation and his rocket arm. Fact is, the Twins remain a defense-oriented team with pitchers that need great defense to win.

The one really good thing about having Gomez in CF last year was that, with Span playing right and Young in LF, we actually had pretty good coverage. Imagine what that outfield could do this year, after Delmon dropped 30 pounds.

Now imagine what the outfield would look like with Repko in CF, Span in RF and the faster Delmon in LF. That outfield would catch a lot of fly balls compared to what they’ve been using lately. Repko isn’t quite as fast as Span, but he covers a lot of ground, takes good lines to the ball and has a significantly stronger arm. I think Span actually plays better on the corners than he does in CF, where his below average arm lets too many runners take an extra base.

by jimbo55403 on Jul 27, 2010 11:25 AM EDT up reply actions  

Young-Repko-Span Outfield

Would be better defensively than what we’ve got, but there’s a reason Repko hasn’t caught on as a regular. It’s great that he’s been solid filling in for Span the last couple days, but I don’t expect offensive production to last.

by Adam Peterson on Jul 27, 2010 12:10 PM EDT up reply actions  

Jason Kubel

I have gotten flack for trading Kubel as well, but removing $5 million from the books due to him would help us keep one of our free agent relievers or Carl Pavano. Then in the offseason I would allow Orlando Hudson and JJ Hardy to leave. Therefore, here is my lineup:

LF: Repko
CF: Ben Revere
RF: Span
1B: Cuddyer or Morneau
2B: Nick Punto
SS: Luke Hughes or free agent but don’t expect to see Derek Jeter in Twins Pinstripes.
3B: Vanencia
C: Joe Mauer

This is just everyday players minus the DH.

by Jessy S on Jul 27, 2010 2:53 PM EDT up reply actions  

Park Effects

Great work, as usual, Adam.

Question for you: Do you happen to know how (and how much) park effects affect fly ball BABIP? I can’t decide whether the increased area of pitchers’ parks would increase it (because there is more space for them to land without being homers) or decrease it (because balls get off the wall faster in the small parks). My assumption is the former, but it would be interesting to actually know that with some level of certainty.

I would assume there’s little to no split like that for defense, since there isn’t a lot of variation in infields, other than the presence of turf, and modern turfs aren’t as ridiculously bouncy/fast as they use to be. In both cases, of course, the home team’s defense would have to be factored out somehow, maybe scaling teams’ allowed BABIP with the number of games they play there, although that could have sample size issues.

"There are only two things that are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

by BeefMaster on Jul 27, 2010 10:54 AM EDT reply actions  

Park Effects - yes I did

In addition to determining overall BABIP for a team’s pitchers and hitters by batted ball type, I also broke it out by ballpark. Just didn’t consider it for my analysis…

For Target Field, BABIP on GB and FB are .226 (16th) and .266 (30th) respectively. The fly ball BABIP is far and away the highest in baseball, and it’s not even close. Fenway Park is second highest and it sits at .230. Obviously, the Twins defense and offense play a role here. I’ve already been through the Twins defensive numbers (.220 overall on fly balls, 29th), and offensively the Twins also have the highest fly ball BABIP in the Majors, at .223.

So it definitely appears Target Field is a fly ball BABIP nightmare (or dream for hitters) across the board. Not sure why, though. Perhaps the fact it plays as a poor home run park means more long doubles?

by Adam Peterson on Jul 27, 2010 11:07 AM EDT up reply actions  

Tall Fences

Target Field doesn’t have a huge fence all the way across, but its right field fence almost certainly contributes at least a bit to the high BABIP – it prevents homers from going out, but balls that hit it aren’t playable. Fenway’s presence in second place is also not surprising due to the Green Monster. The only other stadium that immediately comes to mind with a high wall is PNC in Pittsburgh (and that only because Kris Atteberry happened to mention it when going through highlights in the rain delay the other day), which has a 21’ RF wall in honor of Roberto Clemente; do you happen to know if any other parks with high walls also have high rates?

Still, the right field fence, tall as it is, doesn’t seem like it would explain away all of this. It is interesting, though, to see that the Twins’ offensive FBBABIP (BAFBIP?) is also first in the league. Hooray for warning track power, I guess.

"There are only two things that are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

by BeefMaster on Jul 27, 2010 11:46 AM EDT up reply actions  

You would think they could take fences into account i the analysis

They should at least have an if/else loop in their algorithm for balls that hit the fence, say, 10 feet off the ground. If yes, the ball is uncatchable and therefore the responsibility of the pitcher. If no, the ball is in principle catchable and therefore the responsibility of the fielder.

"You're thinking too much. Just have fun." -- Bennie "The Jet" Rodriguez in Sandlot

by cmathewson on Jul 27, 2010 11:50 AM EDT up reply actions  

BABIP doesn't care

BABIP is pretty crude in that sense – it considers every fair ball that doesn’t go over the fence, and it doesn’t matter whether it was catchable or not. That’s why liners have such a high expected BABIP – no one can catch most of them. There isn’t a separate “blame” assignment for batters and fielders in that metric.

UZR use to have that same problem, though, in that it would count a ball high off the baggie as a 323-foot fly ball that Cuddyer didn’t catch. They worked in a high fence adjustment earlier this year that attempted to correct for that – Cuddyer, Manny Ramirez, and Jason Bay were big beneficiaries.

"There are only two things that are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

by BeefMaster on Jul 27, 2010 11:57 AM EDT up reply actions  

I woudl have if I could have

but that’s the problem with the data I have at hand. All I know is where the outfielder fielded the ball, not whether it hit off the fence or rolled to that point. Which is why I don’t trust my pitching and fielding metrics yet.

FWIW, Fangraphs has adjusted UZR in exactly this way, for balls off the fence. I remember that Cuddyer’s UZR for last season went up by around five runs due to the baggie.

by Adam Peterson on Jul 27, 2010 12:15 PM EDT up reply actions  

I agree

but the BABIP differences are quite large, and I don’t think such a large percentage (5%?) of fly balls hit off the wall. But perhaps they do…

by Adam Peterson on Jul 27, 2010 12:11 PM EDT up reply actions  

That's very interesting

I figured that if Target Field had such a high fly ball BABIP, then other large parks would be in the same boat (Safeco Field, AT&T Park, etc.), but that large of a spread even between the top two is very weird to me. It will be interesting to see how this value changes when the Twins get a younger, better defensive outfield.
Did you analyze the difference between fly ball BABIP for the Twins at home vs. visitors fly ball BABIP at Target Field?

by DY Bandwagon on Jul 27, 2010 12:07 PM EDT up reply actions  

I didn't do home versus away

and while I suspect fly ball BABIP isn’t much of a skill for hitters, it very well could be. But more likely it’s a function of the park, with the spread being so large because of the outfield defense.

by Adam Peterson on Jul 27, 2010 12:17 PM EDT up reply actions  

+1

I’m not sure how BABIP even COULD be a hitter skill. If it were, there would be evidence of a few hitters who were drastically (and consistently, year-to-year) better than the rest of the league. Hitting more line drives would help, which has more to do with being a good hitter: hand-eye coordination, reflexes, pitch recognition. But even with directional hitting, you’re controlling only to an area not a specific place.

Defense, park, weather, which pitch you swing at and connect on…there’s just too much that goes into BABIP that has to do with luck.

by Jesse on Jul 27, 2010 12:27 PM EDT up reply actions  

I assume you're talking about BABIP for fly balls

not overall, since line drives and BABIP on ground balls (speed) are most certainly skills.

If I looked deeper, I might find a small degree of skill where some hitters consistently hit a higher proportion of deep fly balls versus shallow fly balls, thus more fall in.

by Adam Peterson on Jul 27, 2010 12:31 PM EDT up reply actions  

How it could be a skill

We obviously know that HR/FB is a skill – it’s not too much of a stretch, then, to think that the fact that some guys hit their fly balls harder would result in more of them reaching the gap before they’re fielded or going over outfielders’ heads. Obviously, outfield positioning negates some of this, and I don’t know whether it’s a skill even to the point that it’s measurable to statistical significance over years’ time, but it would not surprise me if it’s possible, at least.

"There are only two things that are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

by BeefMaster on Jul 27, 2010 12:38 PM EDT up reply actions  

Right.

This is why line drives have such a high BABIP. This raises the question again of where’s the cutoff between a fly ball and a line drive.

by Jesse on Jul 28, 2010 9:06 AM EDT up reply actions  

I know at least one of the two org's that compile batted ball numbers...

…track “fliners”, which although it creates new ambiguities at least separates the obvious liners from the obvious flyballs with the mass of tweeners. For a while THT writers would mention Fliners and it looked it might catch on, but it never really happened.

by tobynotjason on Jul 28, 2010 4:14 PM EDT up reply actions  

I definitely agree

but I was coming from the perspective of how the Twins outfield defense (visitors up to bat) fared agains visitors defense (twins up to bat) in terms of fly ball BABIP at Target Field just to see if there was a large descrepancy.

by DY Bandwagon on Jul 27, 2010 12:55 PM EDT up reply actions  

It absolutely is.

I have some notes from a THT article from a few years ago that showed year to year coefficients of correlation for hitters of .24 for GB BABIP, .14 for OFFB BABIP and .10 for LD BABIP. 3 year numbers predicted 4th year number to the tune of .36 for BGs, .19 for OFFBs and .23 line drives.

Besides the obvious fact that some dudes are faster (higher GB BABIP right there), hitting the ball HARDER means it gets through the infield more on GBs and LDs and get out and down more on balls in the air to the outfield. Moreover, although probably much less significant, hitters DO have some ability to place the ball (whereas pitchers absoltuely cannot pitch such that the ball comes off the bat at the other end of the pitch in such a way that it is directed at a fielder, Livan Hernandez’s defenders not withstanding).

by tobynotjason on Jul 27, 2010 5:44 PM EDT up reply actions  

wow

that post was acronym silly

by wcooley on Jul 27, 2010 9:10 PM EDT up reply actions  

So why are Baker and Slowey so much better at home?

Besides the good home cooking. Do they give up that many more dingers on the road? I don’t have the numbers, but I know Baker in particular has huge home/away splits.

by Stefa on Jul 27, 2010 12:43 PM EDT up reply actions  

Home - Road Splits for Slowey

Home: 4.21 ERA, 4.22 xFIP, 7.55 SO/9, 1.31 HR/9, 9.2% HR/FB, 19.7 LD%
Road: 5.44 ERA, 4.98 xFIP, 4.89 SO/9, 1.27 HR/9, 8.0% HR/FB, 23.8 LD%

For Slowey, he actually gives up more home runs on a per nine innings and a per fly ball basis than away from Target Field. It just appears he’s more aggressive, able to finish off hitters, and reduce the line drives at home.

by Adam Peterson on Jul 27, 2010 12:54 PM EDT up reply actions  

Is eBABIP predictive?

If pitchers influence the distribution of fly balls, line drives, etc, it would be cool to combine xFIP with eBABIP to account for pitchers who don’t strike many people out but do a good job of getting weak contact.

by ben2 on Jul 27, 2010 11:00 AM EDT reply actions  

It should be predictive

as much as batted ball rates can be predictive. LD versus GB versus FB is definitely a skill, and I suspect inducing pop flies is as well, since they’re effectively the reverse of a weak ground ball.

But other than line drives and pop flies, until HitFx comes along and tracks batted ball trajectory and speed, it’s not possible for me to tell whether a ground ball or fly ball is “well hit”. Although I am working on separating all fly balls into “shallow” (in front of the fielders) and “deep”, as I suspect for fly balls there are very different BABIP rates.

by Adam Peterson on Jul 27, 2010 11:11 AM EDT up reply actions  

Are you sure about LD rates for pitchers being a skill/predictive?

I could be remembering my stuff wrong, but I don’t think LD suppression is a skill/predictive year-to-year. GB rate obviously is (as is, IIRC, pop-up induction) a major skill.

by tobynotjason on Jul 27, 2010 5:47 PM EDT up reply actions  

I don't have data to back it up

but I’d agree, while I suspect there is some skill component to pitchers’ LD suppression, it’s probably less than for GB or FB rate.

by Adam Peterson on Jul 28, 2010 8:33 AM EDT up reply actions  

Here's what THT found (in 2006)
Line drives are probably the most interesting type of batted ball stat to study, because on one hand, they have an astronomical run value, and on the other, skill in preventing line drives is very hard to detect. In fact, JC and I found no year-to-year correlation in terms of the percentage of batted balls that are line drives for pitchers, meaning that it’s almost impossible to predict how good or bad a pitcher will be at preventing line drives.

Well, it may be more possible than we think. There is, it seems, a very strong correlation between the ground ball rate and the percentage of balls in the air (outfield flies plus line drives) that are line drives—.67 to be exact. What does that mean? Simply put, ground ball pitchers are much more likely to allow a line drive on a non-ground ball, and vice-versa. Logically, that makes sense: For a fly ball pitcher, a fly ball may well be a success, for a ground baller, it’s almost surely the result of a mistake.

This tells us a lot of about line drives. While overall, they may be unpredictable, by using this type of analysis, we can find ways to indeed get a better feel for which pitchers are expected to allow more or less line drives. Of course, the whole issue is muddied up by the fact that ground ball pitchers allow less balls in the air overall, so their line drive rates will be closer to (though still higher than) average, even if they’re more likely to allow a liner when the ball is hit in the air.

What this finding also means is that ground ball pitchers do not have as much of an advantage over fly ball pitchers as some might think. Being a ground ball pitcher may help suppress home run rates; it does nothing for line drive rates.

by tobynotjason on Jul 28, 2010 4:20 PM EDT up reply actions  

The best anaylsis in the game

You rock, A-Pet!

Dude, you need another nickname.

"You're thinking too much. Just have fun." -- Bennie "The Jet" Rodriguez in Sandlot

by cmathewson on Jul 27, 2010 11:22 AM EDT reply actions  

You're right about that

and I’m open to suggestions. Funny note from Sunday’s game in Baltimore. We had tickets four rows directly behind the Twins dugout. Was a great time, mostly Twins fans there, across the stadium in fact. Eventually, many of the fans started calling Jim Thome “T-Home”. And he looked angry…probably because he just struck out.

If I had a steak I would have given it to him.

by Adam Peterson on Jul 27, 2010 12:20 PM EDT up reply actions  

Trade for Ted Lilly!!

If BABIP is a reliable indicator of a pitcher’s effectiveness, then Ted Lilly’s amazing .058 BABIP should mark him as the best target for a mid-season trade for the Twins.

by jimbo55403 on Jul 27, 2010 11:26 AM EDT reply actions  

That one gets me

and Wrigley Field is around the middle of the pack, 17th in the league in FB BABIP at .164. I would have expected it to be lower given the smaller dimensions.

by Adam Peterson on Jul 27, 2010 12:22 PM EDT up reply actions  

gameday stats: line drive vs. fly ball

baker, slowey and blackburn have been getting hit for what i would call line drives to the deep outfield – balls that are hard to catch regardless of outfielder speed. i wonder if mlb gameday defines these as line drives or fly balls? for example, what about delmon young’s first inning smash off the top of the left field wall at kaufmann yesterday – fly ball or line drive? what about billy butler’s smash to the center field wall (bottom of 1st) which jason repko caught? would someone please check because i’m not subscribed.

by yefrem on Jul 27, 2010 11:29 AM EDT reply actions  

Good question

Adam: What’s the criterion for line drives vs. fly balls? Is it trajectory? Is it the speed of the hit? Some combination?

Regardless of the criterion, if we apply one uniform standard to all pitchers, it’s a fair way to analyze them—a lot more fair than any other metric.

"You're thinking too much. Just have fun." -- Bennie "The Jet" Rodriguez in Sandlot

by cmathewson on Jul 27, 2010 11:40 AM EDT up reply actions  

I'm pretty sure fly ball versus line drive is subjective

by MLB’s data guy at the ballpark. So it’s definitely possible that some guys are biased one way more than others. But I don’t know exactly how it is applied, wouldn’t bet on it being uniform other than some subjective guidance (looks like a duck…)

by Adam Peterson on Jul 27, 2010 12:27 PM EDT up reply actions  

hr = "fly ball"

seems home runs are considered “fly balls” (i have checked only a handful so far).

so, consider scott baker, who has allowed 18 hr’s. if he has 511 batters faced, and a fly ball rate of 28.4%, of which .293 are hits, then you have just 24 fly ball hits leftover after subtracting hr fly ball hits, for an adjusted fb BABIP rate of just .169

so i guess the twins pitchers ARE to blame for the high fb BABIP

by yefrem on Jul 27, 2010 2:03 PM EDT up reply actions  

BABIP excludes homers

BABIP is for “Batting Average on Balls In Play”, and home runs are not “in play”, so they’re not counted (other than in-the-parkers, I guess).

"There are only two things that are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

by BeefMaster on Jul 27, 2010 2:16 PM EDT up reply actions  

ah

still, when you consider all the home runs and the “fly balls” that are getting banged off the outfield walls, then a good chunk of slow-bake-burn’s high FBBABIP figures are a result of just getting hit very hard, very often. its only liriano’s BABIP that’s truly puzzling.

by yefrem on Jul 27, 2010 2:31 PM EDT up reply actions  

And my calculations also did not include home runs as balls "in play"

unfortunately, couldn’t do anything about fly balls off the wall.

by Adam Peterson on Jul 27, 2010 2:45 PM EDT up reply actions  

But homeruns are sometimes from line drives while popups that never leave the infield are considered fly balls.

by Jessy S on Jul 27, 2010 3:11 PM EDT up reply actions  

Line drives to the deep outfield

are definitely part of Gameday’s data. No subscription needed, you can open up any gameday from MLB’s site.

Delmon Young’s double off the top of the fence was considered a fly ball.
Billy Butler’s smash was also considered a fly ball.

But Mauer’s single in the first inning was considered a (soft) line drive.

by Adam Peterson on Jul 27, 2010 12:25 PM EDT up reply actions  

Span vs. Gomez

We went from one of the best outfield defenses to one of the worst with the move from Gomez to Span. I don’t think we should second guess the decision or anything. But it does point out a weakness in Span’s game—a weakness that was easier to swallow when he was one the best lead-off hitters in the game. Now that he’s seriously slipped offensively, it’s less easy to take.

I wonder if we might consider using Repko more down the stretch to keep Span’s legs fresh and improve overall defensive play out there. I also wonder if a good fielding outfielder might be on our wish list at the trade deadline or in the offseason.

"You're thinking too much. Just have fun." -- Bennie "The Jet" Rodriguez in Sandlot

by cmathewson on Jul 27, 2010 11:46 AM EDT reply actions  

One step further
I wonder if we might consider using Repko more down the stretch to keep Span’s legs fresh and improve overall defensive play out there.

Even better, be more aggressive about sitting Kubel and/or Thome with lefties on the mound and start Repko in right (or center, if he’s better than Span; I don’t really know). When Morneau comes back, Cuddyer could DH.

"There are only two things that are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

by BeefMaster on Jul 27, 2010 11:53 AM EDT up reply actions  

I'd be content to see Repko as a defensive sub more often

He’d probably save 4-5 runs/year just by playing 2 defensive innings per game over Cuddyer/Kubel. If you subbed him in right you might not even have to watch him flail at low and away breaking pitches.

by Jon Kammerer on Jul 27, 2010 12:38 PM EDT up reply actions  

Repko was awesome last night

It got lost in the drubbing but Repko made 4 above average fielding plays and one that was highlight worthy. He plays a shallow CF but can still get to the fence in a hurry.

by DJL44 on Jul 27, 2010 5:20 PM EDT up reply actions  

I don't think Span is the problem

While he’s not Gomez, he’s rated around average based on most of what I’ve seen this year.

And as far as second guessing is concerned, yes we gave up outfield defense in Gomez, but we gained one helluva defensive shortstop.

by Adam Peterson on Jul 27, 2010 12:29 PM EDT up reply actions  

Right

I would make that trade in a heartbeat again.

The hidden thing is how many games Span started in either left or right last year. That’s when we had the best defense. With Delmon starting every game, especially with Kubel in right, our outfield defense is poor. Of course, nobody would trade Delmon for Gomez. His offense more than makes up for any defensive liabilities.

"You're thinking too much. Just have fun." -- Bennie "The Jet" Rodriguez in Sandlot

by cmathewson on Jul 27, 2010 12:38 PM EDT up reply actions  

This is what I said a couple days ago.

The biggest and cheapest way to fix our pitching staff would be to fix our outfield (namely Kubel doesn’t hit or field).

by Codypc21 on Jul 27, 2010 12:22 PM EDT reply actions  

Earth to Codypc21

Jason Kubel has come up clutch in some situations time and time again. One of his most recent was his grand slam home run vs the Yankees at Yankee Stadium that helped the Twins win and avoid a sweep.

by Jessy S on Jul 27, 2010 3:17 PM EDT up reply actions  

That was two months ago.

It doesnt matter how big a play is if they only come every two months. So his bat may win us a game a month or so. It’s not good enough to warrant his horrible defense that costs us a game every other week or more, especially at his salary.

by Codypc21 on Jul 27, 2010 9:18 PM EDT up reply actions  

I frequent this site several times a day...

…because of analysis like this. Awesome read. Thanks Adam!

by Corkatron on Jul 27, 2010 12:59 PM EDT reply actions  

note from KC

Dear Adam,
Outfield defense is overrated.
Sincerely,
Alex Gordon in left, Willie Bloomquist in center, and Jose Guillen in right.

by wcooley on Jul 27, 2010 1:43 PM EDT reply actions  

Touche

that was quite the brutal outfield last night for the Royals. Yeesh. Kind of like a Delmon-Cuddyer-Kubel outfield from last year…except they’re all at least outfielders, unlike Gordon.

by Adam Peterson on Jul 27, 2010 2:46 PM EDT up reply actions  

Yeah...

I didn’t watch the game live, but watching the replays I was amazed at how soft the Twins’ extra-base hits were. Had I not known before starting the videos to expect base hits, I’d have assumed that most of those were going to be caught.

"There are only two things that are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

by BeefMaster on Jul 27, 2010 3:15 PM EDT up reply actions  

I am not convinced...

that even the worst MLB outfield in history would be 30% worse than league average in converting fly balls to outs. I think common sense indicates that there’s something else going on here, whether it’s Target Field or just finding the bad side of variance, and while a bad outfield may be contributing its effect is significantly masked. I’m more comfortable going by UZR when judging the defense.

by timprov on Jul 27, 2010 4:18 PM EDT reply actions  

I think that's a nice point.

I think it would be a mistake to conclude that 100% of the bad BABIP results are due to bad outfield defense. I think defense is contributor, but is not in general a huge fraction of BABIP. Carl Pavano, e.g., has had the same outfield d more or less that the other guys have.

by Luke in MN on Jul 27, 2010 4:52 PM EDT up reply actions  

I'm also more comfortable with UZR for defense

and I agree, the OF defense is probably not 30% worse than league average. I think Target Field is a primary culprit, whether it’s the ballpark itself or bias on MLB’s “Gameday Guy/Gal” who determines FB versus LD, etc. The fact that Twins hitters have a similarly high FB BABIP is too much of a coincidence IMO.

by Adam Peterson on Jul 28, 2010 8:37 AM EDT up reply actions  

Nice read all around

I am sort of surprised by how low the eBABIP numbers are for some of the guys, which is encouraging really.

by Luke in MN on Jul 27, 2010 4:47 PM EDT reply actions  

Don't be too encouraged, my BABIP calculations are about 10 points lower than Fangraphs

League average for me is .292 while it is about .302 on Fangraphs. This is probably because Fangraphs has a funky formula for pitchers based on innings pitched that accounts for outs on the base paths.

For pitchers I use (H-HR)/(IP*2.82+H-SO-HR).
It has like a .97 r^2 for pitchers over 50 innings pitched, so it’s going to be extremely similar. I think there’s been more TBF data added for historical data recently, maybe it’s time start calculating it the same as we would for batters.

My calculation simply uses batted ball data rather than innings pitched, total number of bunts vs bunts for hits, same with line drives, etc.

by Adam Peterson on Jul 28, 2010 8:45 AM EDT up reply actions  

That is ridiculous

Why would BABIP not actually mean BABIP? It’s the simplest advanced metric there is, and it’s not like they don’t have the data for batters faced, hits, walks, strikeouts, homers, and HBP (which is all you need).

I took a look at the thread you linked, and it looks like their reasoning is that there isn’t batters faced data for lots of historical pitchers, so they have to guess at that based on innings pitched. I understand wanting to be consistent between the historical and modern players, but at the same time, I’d greatly prefer that the data be accurate, especially considering that FanGraphs is likely used far more for contemporary analysis and projection than historical comparisons.

"There are only two things that are infinite, the universe and human stupidity, and I'm not sure about the former." - Albert Einstein

by BeefMaster on Jul 28, 2010 9:51 AM EDT up reply actions  

Consistent Question

Something I always ask at this juncture: When does someone being unlucky graduate to someone having a deficiency?

A year? Two? More?

by MNPundit on Jul 28, 2010 4:51 PM EDT reply actions  

Very good post

I did a couple posts on this subject as well:
http://ontheroadwithshawn.blogspot.com/2010/07/slowey-and-baker-bad-or-bad-defense.html
http://ontheroadwithshawn.blogspot.com/2010/07/is-it-pitching.html
Another thing i am curious on is line drive rate. Baker has the highest in the league and bad outfield defense could increase outs and singles becoming doubles and triples.

I just did a post today where I think the Twins have the 4th best top 3 rotation of the 8 teams in the AL with a shot at the playoffs. Maybe even better.

Shawn

by Shawn in Binghamton on Jul 29, 2010 12:13 AM EDT reply actions  

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