| Date | Transaction | |||
| 8/31/04 | Acquired C Pat Borders from the Mariners in exchange for OF B.J. Garbe. | |||
| 8/29/04 | Optioned RHP Jesse Crain to Elizabethton of the Appalachian League; recalled OF Jason Kubel from Triple-A Rochester. | |||
| 8/17/04 | Activated RHP Grant Balfour from 15-day disabled list; Optioned RHP Matt Guerrier to Triple-A Rochester. | |||
| 8/10/04 | Optioned LHP Aaron Fultz to Triple-A Rochester; recalled RHP Matt Guerrier from Triple-A Rochester. | |||
| 8/7/04 | Optioned SS Jason Bartlett to Triple-A Rochester; purchased the contract of INF Augie Ojeda from Triple-A Rochester and transferred INF Nick Punto from the 15-day to the 60-day disabled list. | |||
| 8/4/04 | Placed RHP Grant Balfour on the 15-day disabled list with a sore right shoulder and recalled C Rob Bowen from Double-A New Britain. | |||
| 8/1/04 | Purchased the contract of RHP Jesse Crain from Triple-A Rochester. | |||
