Transactions| Date | Transaction | |||
| 3/29/07 | Optioned LHP Bobby Livingston and RHP Gary Majewski to Triple-A Louisville; Received cash from the Tampa Bay Devil Rays to complete the deal that sent INF Brendan Harris to Tampa in exchange for a player to be named later or cash. | |||
| 3/26/07 | Reassigned INF Mark Bellhorn, C Ryan Jorgensen, INF Anderson Machado and OF Dewayne Wise to Minor League camp. | |||
| 3/24/07 | Outrighted OF Bubba Crosby to Triple-A Louisville. | |||
| 3/21/07 | Released RHP Paul Wilson. | |||
| 3/20/07 | Reassigned INF Paul Janish to Minor League camp. | |||
| 3/19/07 | Optioned RHP Brad Salmon and LHP Brian Shackelford to Triple-A Louisville. | |||
| 3/16/07 | Optioned 1B Joey Votto to Triple-A Louisville; Reassigned RHP Homer Bailey, C Dan Conway, LHP Michael Gosling and C Ryan Hanigan to Minor League camp; Released RHP Kerry Ligtenberg and RHP Brian Meadows. | |||
| 3/12/07 | Optioned LHP Phil Dumatrait to Triple-A Louisville; Optioned OF Chris Dickerson and RHP Calvin Medlock to Double-A Chattanooga; Reassigned LHP Jason Kershner and RHP Tom Shearn to Minor League camp. | |||
| 3/8/07 | Signed RHPs Todd Coffey, Matt Belisle and Gary Majewski and LHP Bobby Livingston to one-year contracts; Renewed 2B Brandon Phillips to a one-year deal. | |||
| 3/1/07 | Signed INF Jeff Keppinger, OF Norris Hopper, RHP Elizardo Ramirez and 3B Edwin Encarnacion to one-year contracts; Signed RHP Dustin Hermanson to a one-year Minor League contract with an invitation to Spring Training camp. | |||