| Date | Transaction | |||
| 1/19/07 | Claimed OF Alex Romero off waivers from the Minnesota Twins. | |||
| 1/15/07 | Signed RHPs Juan Cruz and Jorge Julio to one-year contracts. | |||
| 1/9/07 | Acquired LHP Randy Johnson and cash from the New York Yankees in exchange for RHP Luis Vizcaino, RHP Ross Ohlendorf, RHP Steven Jackson and INF Alberto Gonzalez and extended Johnson's contract through the 2008 season. | |||
