| Date | Transaction | |||
| 4/27/04 | Brian Daubach: Purchased the contract of INF/OF Brian Daubach from Triple-A Pawtucket. | |||
| 4/23/04 | Placed left-handed pitcher Brad Thomas on the 15-day disabled list with a mild left elbow strain. | |||
| 4/21/04 | Acquired LHP Brad Thomas from the Minnesota Twins for a player to be named or cash considerations. | |||
| 4/19/04 | Sent RHP Frank Castillo outright to Triple-A Pawtucket. Activated LHP Lenny Dinardo from the 15-day disabled list. | |||
| 4/18/04 | Acquired nonroster RHP Scott Cassidy from the Blue Jays for a player to be named. | |||
| 4/15/04 | Recall LHP Phil Seibel from Triple-A Pawtucket. | |||
| 4/14/04 | Outrighted LHP Bobby M. Jones to Triple-A Pawtucket. Outrighted infielder Brian Daubach to Triple-A Pawtucket. Daubach had been designated for assignment April 10. | |||
| 4/10/04 | Purchased the contract of RHP Frank Castillo from Triple-A Pawtucket; designated INF Brian Daubach for assignment. | |||
| 4/9/04 | Placed RHP Ramiro Mendoza on 15-day disabled list with tendinitis in his right shoulder; recalled LHP Mark Malaska from Triple-A Pawtucket. | |||
| 4/8/04 | Claimed RHP John Stephens off waivers from the Orioles and assigned him to Triple-A Pawtucket; transferred RHP Reynaldo Garcia to the 60-day disabled list, recovering from March 2004 right elbow surgery. | |||
| 4/4/04 | Optioned LHP Tim Hamulack to Triple-A Pawtucket; reassigned OF Adam Hyzdu to minor league camp; placed RHP Jason Shiell on the 15-day disabled list retroactive to March 26 as he recovers from an arthrogram MRI; and purchased the contracts of INF/OF Cesar Crespo, INF Brian Daubach and INF/OF David McCarty; purchased the contract of LHP Bobby M. Jones from Triple-A Pawtucket. | |||
| 4/3/04 | Optioned RHP Jamie Brown to Triple-A Pawtucket. | |||
| Outrighted RHP Bryan Hebson to Triple-A Pawtucket. | ||||
