SP Taadaki Watanabe (21, A) - minor league contract
MR Todd Sizer (26, ML) - $0.968
Since Then: (as of 6/7/2012)
Wantanabe was shut down on August 30th, 2011 after an MRI revealed a partially torn UCL. He's pitched 40+ innings in 2012, but doesn't appear to have completely recovered from his injury.
Sizer has been a disappointment so far for Omaha. He's posted a 6.60 ERA in 29 games with five holds and two saves.