| Date | Player | From | To | |
| March 31, 2004 | K. Brown (NYY - SP) | San Pablo Mexicans | Oddballs | |
| J. Kendall (Pit - C) | Oddballs | San Pablo Mexicans | ||
| March 31, 2004 | B. Zito (Oak - SP) | Ackworth Acks | Sand Gnats | |
| T. PercivalNA (Ana - RP) | ||||
| K. Wood (ChC - SP) | Sand Gnats | Ackworth Acks | ||
| J. Smoltz (Atl - RP) | ||||
| March 31, 2004 | M. Ramirez (Bos - LF,DH) | koonzaholics | Sand Gnats | |
| A. Pujols (StL - 1B,LF) | Sand Gnats | koonzaholics | ||
| April 6, 2004 | R. AuriliaNA (SD - 3B,SS) | koonzaholics | San Pablo Mexicans | |
| S. Ponson (Bal - SP) | ||||
| R. Furcal (Atl - SS) | San Pablo Mexicans | koonzaholics | ||
| April 26, 2004 | M. Cameron (NYM - CF) | Bat Boy | Oddballs | |
| H. Ramirez (Atl - SP) | Oddballs | Bat Boy | ||
| June 6, 2004 | G. Sheffield (NYY - RF,DH) | San Pablo Mexicans | DA New DetroitTigers | |
| G. Jenkins (Mil - LF) | ||||
| M. AlouNA (ChC - LF) | DA New DetroitTigers | San Pablo Mexicans | ||
| P. Burrell (Phi - LF) |