Transactions| Date | Transaction | |||
| 5/30/04 | Purchased the contract of INF Tim Olson from Triple-A Tucson; transferred RHP Shane Reynolds from the 15-day to the 60-day disabled list; placed INF Matt Kata on the 15-day disabled list with a dislocated left shoulder. | |||
| 5/28/04 | Rescinded the option of RHP Brian Bruney and placed him on the 15-day disabled list with inflammation in his right elbow. | |||
| 5/27/04 | Scott Service: Purchased the contract of RHP Scott Service from Triple-A Tucson; optioned RHP Brian Bruney to Triple-A Tucson. | |||
| 5/23/04 | Placed INF Richie Sexson on 15-day disabled list; recalled OF Doug DeVore from Triple-A Tucson. | |||
| 5/21/04 | Activated INF Richie Sexson from the 15-day disabled list; optioned OF Doug DeVore to Triple-A Tucson. | |||
| 5/17/04 | Placed INF Greg Colbrunn on the 15-day disabled list (retroactive to May 16) due to tendinitis in his right wrist; recalled INF Scott Hairston from Triple-A Tucson. | |||
| 5/14/04 | Placed RHP Matt Mantei on the 15-day disabled list, retroactive to May 9, with tendinitis in his right shoulder; activated LHP Casey Fossum from the 15-day disabled list. | |||
| 5/10/04 | Placed RHP Oscar Villarreal on the 15-day disabled list; recalled RHP Andrew Good from Triple-A Tucson. | |||
| 5/8/04 | Recalled RHP Brian Bruney from Triple-A Tucson; optioned INF Scott Hairston to Triple-A Tucson. | |||
| 5/5/04 | Designated C Bobby Estalella for assignment. | |||
| 5/4/04 | Recalled INF Scott Hairston from Triple-A Tucson. | |||