Per Aaron Gleeman and the Twitter, long-time Twins-killers Nick Blackburn and Tsuyoshi Nishioka were outrighted to Triple-A, which means neither are on the 40-Man roster anymore. I think we could all see this happening with Nishioka, but it was just recently that Terry Ryan and company were trying to sell the idea of hope and improvement for the case of Blackburn being a cog in the 2013 rotation.
I presume this means Hendriks is coming back up, or maybe PJ Walters is set to come back? Either way, good riddance of poorly invested money.