There's also a 6-inning "B" game between the two squads, but it's already been played. Here's an update from ESPN1500's Phil Mackey.
Your lineups, from LEN3:
Slowey starting, Nathan expected to pitch.
The game is on ESPN1500 and presumably the Twins Radio Network. John Gordon is expected to call Reid Brignac "Rico Brogna" the entire game, and no one will correct him.