| Date | Player Transactions |
| March 2, 2010 | Released RHP Derek Feldkamp & RHP Mark Michael. |
| February 24, 2010 | Signed RHP Joey Norrito. |
| February 16, 2010 | Acquired the playing rights to OF Carlos Sosa from Worcester of the CanAm League for the playing rights to IF Mark Minicozzi. |
| February 10, 2010 | Signed RHP Stephen Flake. |
| February 2, 2010 | Signed C Luis Alen. |
| January 13, 2010 | Traded the playing rights to C Joe Billick to Joliet for a player to be named later. Traded the playing rights to OF Kurt Crowell to Sioux City of the American Association for a player to be named later. |
| January 12, 2010 | Signed RHP Casey Hodges. Acquired the playing rights to C Joe Billick from River City of the Frontier League for the playing rights to C Jeff DeSmidt. |
| January 8, 2010 | Signed RHP Ace Walker. Acquired the playing rights to C Brett Wallace from Lake County for the playing rights to LHP Aaron Odom. |
| January 6, 2010 | Signed LHP Austin Donmoyer & OF Lee Ellis. |
| December 21, 2009 | Signed LHP Antony Bello & OF Cory Patton. |
| December 19, 2009 | Signed IF Wes Long. |
| December 11, 2009 | Signed IF Juan Diaz. |
| December 8, 2009 | Signed IF Josh Asanovich. |
| December 7, 2009 | Signed IF Vince Harrison. |
| December 4, 2009 | Signed OF Dee Brown. |
| December 2, 2009 | Signed LHP Zach Baldwin & LHP Ian Thomas. |
| November 24, 2009 | Acquired the playing rights to OF Aharon Eggleston from Kansas City for the playing rights to RHP Andrew Cruse and a player to be named later. Signed OF Aharon Eggleston. |
| November 12, 2009 | Renewed the option on IF Josh Asanovich, LHP Zach Baldwin, OF Dee Brown, OF Kurt Crowell, RHP Andrew Cruse, C Jeff DeSmidt, IF Juan Diaz, RHP Derek Feldkamp, IF Wes Long, RHP Mark Michael, IF Mark Minicozzi, LHP Aaron Odom, OF Cory Patton, RHP Jordan Stewart, LHP Ian Thomas and RHP Ace Walker. |
| October 19, 2009 | Sold the contract of IF Adam Frost to the Kansas City Royals. |
2009 Season Transactions
