Current injuries -- All players in database
Regular season -- as of 4/2/2004
| Injuries |
| | | | | | Duration |
| Date | Team | Name | Cause | Return | Orig | Left |
| 3/30/2004 | WAS | Haller | General | 4/3/2004 | 4 | 1 |
| 4/2/2004 | CLS | Irvin | General | 4/3/2004 | 1 | 1 |
| 3/12/2004 | NYY | Plank | General | 4/3/2004 | 22 | 1 |
| 4/2/2004 | CHI | Williams,T | General | 4/3/2004 | 1 | 1 |
| 4/2/2004 | CLS | Keeler | Hit by pitch | 4/4/2004 | 2 | 2 |
| 3/15/2004 | NYM | Williams,Be | General | 4/4/2004 | 20 | 2 |
| 3/23/2004 | SFS | Jackson,M | General | 4/5/2004 | 13 | 3 |
| 3/26/2004 | CHI | McDowell,J | General | 4/5/2004 | 10 | 3 |
| 3/30/2004 | CHI | Drysdale | General | 4/6/2004 | 7 | 4 |
| 3/24/2004 | NEW | McDuffie | General | 4/6/2004 | 13 | 4 |
| 3/25/2004 | TOR | Hunter | General | 4/7/2004 | 13 | 5 |
| 3/17/2004 | WAS | Larkin | General | 4/7/2004 | 21 | 5 |
| 3/29/2004 | NYG | Musial | General | 4/7/2004 | 9 | 5 |
| 3/29/2004 | NEW | Johnson,B | General | 4/8/2004 | 10 | 6 |
| 3/22/2004 | HAV | Garcia, S | General | 4/8/2004 | 17 | 6 |
| 3/23/2004 | OBW | Higashio | General | 4/9/2004 | 17 | 7 |
| 3/19/2004 | CWS | Williams,Bi | Hit by pitch | 4/11/2004 | 23 | 9 |
| 3/29/2004 | MNR | Inao | General | 4/13/2004 | 15 | 11 |
| 3/31/2004 | MNR | Appier | General | 4/14/2004 | 14 | 12 |
| 3/27/2004 | DET | Bender | General | 4/14/2004 | 18 | 12 |
| 3/30/2004 | WAS | Minagawa | General | 4/14/2004 | 15 | 12 |
| 4/2/2004 | NYG | Newhouser | General | 4/16/2004 | 14 | 14 |
| 2/29/2004 | DET | Gibson | Hit by pitch | 4/17/2004 | 48 | 15 |
| 3/20/2004 | TOR | Ford | Hit by pitch | 4/18/2004 | 29 | 16 |
| 3/19/2004 | BRB | Jennings | Hit by pitch | 4/21/2004 | 33 | 19 |
| 4/2/2004 | HAV | Bragaņa | General | 4/27/2004 | 25 | 25 |
The Regular Season starts on April 5, 2005