| Date | Transaction | |||
| 4/24/05 | Placed RHP Elmer Dessens on the 15-day disabled list, retroactive to April 20, with bone spur in his pitching shoulder. | |||
| Activated RHP Brad Penny from the 15-day disabled list. | ||||
| 4/11/05 | Purchased the contract of INF Norihiro Nakamura from Triple-A Las Vegas and designated LHP Frank Brooks for assignment. | |||
| 4/10/05 | Placed INF Antonio Perez on the 15-day disabled list with a strained hamstring and recalled INF Norihiro Nakamura from Triple-A Las Vegas. | |||
| 4/3/05 | Purchased the contract of RHP Steve Schmoll from Double-A Jacksonville; Purchased the contracts of RHP Buddy Carlyle, RHP Scott Erickson and LHP Kelly Wunsch from Triple-A Las Vegas; Designated INF Brian Myrow for assignment. | |||
| 4/2/05 | Placed RHP Darren Dreifort on the 60-day disabled list and RHP Eric Gagne, RHP Brad Penny, LHP Wilson Alvarez and OF Jayson Werth on the 15-day disabled list; Designated 3B Brian Myrow for assignment; Re-assigned 3B Norihiro Nakamura, LHP Mike Venafro, RHP Ryan Rupe, OF Mike Edwards and C Mike Rose; Optioned OF Cody Ross to the Mexico City Red Devils and returned 2B Oscar Robles to Mexico City. | |||
| 4/1/05 | Acquired nonroster RHP Pat Mahomes from Mets and OF Todd Donovan from Padres for INF Brett Dowdy. | |||
