Transactions| Date | Transaction | |||
| 5/31/07 | Recalled OF Franklin Gutierrez from the Triple-A Buffalo; Optioned RHP Mike Koplove to Buffalo. | |||
| 5/28/07 | Recalled LHP Rafael Perez from the Triple-A Buffalo Bisons; Optioned INF Andy Marte to Buffalo. | |||
| 5/23/07 | Purchased the contract of RHP Mike Koplove from Triple-A Buffalo and optioned RHP Ed Mujica to Buffalo. | |||
| 5/19/07 | Activated 3B Andy Marte from the disabled list; optioned OF Franklin Gutierrez to Triple-A Buffalo. | |||
| 5/17/07 | Sold the contract of RHP Brian Sikorski to the Yakult Swallows of Japan?s Central League; Acquired RHP Gregorio Rosario from the Seattle Mariners. | |||
| 5/13/07 | Traded RHP Jason Davis to the Seattle Mariners for a player to be named later. | |||
| 5/9/07 | Activated RHP Matt Miller from the 15-day disabled list and optioned him to Triple-A Buffalo. | |||
| 5/7/07 | Placed RHP Jake Westbrook on the 15-day disabled list, retroactive to May 3, with a strained left abdominal muscle; Recalled RHP Fausto Carmona and RHP Edward Mujica from Triple-A Buffalo and designated RHP Jason Davis for assignment. | |||
| 5/6/07 | Optioned LHP Rafael Perez to Triple-A Buffalo and recalled OF Franklin Gutierrez from Triple-A Buffalo. | |||
| 5/3/07 | Activated LHP Cliff Lee from the 15-day disabled list; Recalled LHP Rafael Perez from Triple-A Buffalo; Optioned OF Ben Francisco and OF Shin-Soo Choo to Buffalo. | |||
| 5/1/07 | Optioned RHP Fausto Carmona to Triple-A Buffalo and recalled OF Ben Francisco from Buffalo. | |||