| Date | Transaction | |||
| 8/20/04 | Activated 2B Mark Bellhorn from the 15-day disabled list; optioned 3B Earl Snyder to Triple-A Pawtucket. | |||
| 8/17/04 | Placed 3B Kevin Youkilis on 15-day disabled list (retroactive to Aug. 16) with bone bruise in right ankle; placed 1B David McCarty on 15-day disabled list (retroactive to Aug. 13) with ganglion cyst in right wrist; activated RHP Curtis Leskanic from 15-day disabled list; recalled 3B Earl Snyder from Triple-A Pawtucket; transferred RHP Scott Williamson from the 15-day to the 60-day disabled list. | |||
| 8/6/04 | Acquired LHP Mike Myers from the Mariners for cash or a player to be named later and designated RHP Jamie Brown for assignment; optioned LHP Mark Malaska to Triple-A Pawtucket. | |||
| 8/2/04 | Placed INF Mark Bellhorn on the 15-day disabled list with a fractured left thumb. | |||
| Added OF Dave Roberts to the 25-man roster. | ||||
| 8/1/04 | Added SS Orlando Cabrera to the 25-man roster and optioned C/1B Andy Dominique to Triple-A Pawtucket. | |||
