| Date | Transaction | |||
| 5/31/03 | Josh Paul: Purchased the contract of catcher Josh Paul from Triple-A Charlotte. | |||
| Sandy Alomar: Placed Sandy Alomar on the 15-day DL with a strained right oblique muscle. | ||||
| 5/23/03 | Willie Harris: Place Willie Harris on the 15-day disabled list, retroactive to May 22, with a Grade 1 (mild) separation of the AC joint in his right shoulder. | |||
| Joe Borchard: Recalled outfielder Joe Borchard from Triple-A Charlotte. | ||||
| 5/19/03 | Greg Walker replaces Gary Ward as hitting coach. | |||
| 5/5/03 | Dan Wright: Recalled right-handed pitcher Danny Wright from his minor league rehab assignment and activated him from the 15-day DL. | |||
| 5/4/03 | Josh Stewart: Optioned left-handed pitcher Josh Stewart to Triple-A Charlotte. | |||
| 5/2/03 | Recalled infielder/outfielder Willie Harris from Triple-A Charlotte. | |||
| 5/1/03 | Optioned outfielder Aaron Rowand to Triple-A Charlotte. | |||
