| Date | Transaction | |||
| 2/19/09 | Sent LHP Brian Burres and LHP Reid Santos outright to Triple-A Las Vegas. | |||
| 2/13/09 | Re-signed RHP Dirk Hayhurst to a Minor League contract and invited him to Spring Training. | |||
| 2/11/09 | Signed 1B Kevin Millar to a Minor League contract and invited him to Spring Training. Sent INF Russ Adams outright to Triple-A Las Vegas and invited him to Spring Training. | |||
| 2/10/09 | Acquired RHP Matt Bush, who had been designated for assignment on February 5, from the San Diego Padres for a PTBN or cash considerations. Released RHP Dirk Hayhurst. | |||
| 2/7/09 | Signed RHP Shawn Camp to a one-year deal. | |||
| 2/6/09 | Signed Japanese LHP Ken Takahashi to a Minor League contract and invited him to Spring Training. Sent C Curtis Thigpen outright to Triple-A Las Vegas. | |||
| 2/5/09 | Signed LHP Brian Tallet to a one-year contract. Claimed RHP T.J. Beam off waivers from the Pittsburgh Pirates. Designated INF/OF Russ Adams for assignment. | |||
| 2/4/09 | Claimed LHP Brian Burres off waivers from the Orioles. Designated catcher Curtis Thigpen for assignment. | |||
