| Name | Pos | Salary | Through | Years Left | Notes | Years in Majors |
| D. Nied | SP | $1,500,000 | 2004 | 1 years left | Free agent after this season! | 11 years |
| R. Bottalico | MR | $480,000 | 2004 | 1 years left | Free agent after this season! | 7 years |
| P. Young | MR | $480,000 | 2004 | 1 years left | Free agent after this season! | 10 years |
| A. Butler | MR | $428,571 | 2004 | 1 years left | Arbitration (Estimate: $300,000), could become Free Agent with 146 more days of service this year. | 5 years |
| R. Beckett | MR | $400,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000), could become Free Agent with 35 more days of service this year. | 5 years |
| B. Moehler | SP | $350,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000), could become Free Agent with 129 more days of service this year. | 5 years |
| H. Mercedes | C | $350,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000), could become Free Agent with 85 more days of service this year. | 5 years |
| A. Telemaco | SP | $350,000 | 2004 | 1 years left | Free agent after this season! | 6 years |
| B. Chouinard | SP | $350,000 | 2004 | 1 years left | Free agent after this season! | 6 years |
| K. Grundt | MR | $350,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000), could become Free Agent with 69 more days of service this year. | 5 years |
| A. Pujols | 1B | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $10,390,000) | 3 years |
| M. Neill | CF | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| J. Chamblee | 3B | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| C. Hernandez | 2B | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| D. Mcdonald | LF | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| K. Pellow | 3B | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| F. Garcia | LF | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| D. Allen | 1B | $300,000 | 2004 | 1 years left | Possible Arbitration, 6 more days of service needed this year. | 2 years |
| R. Castro | C | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| R. Dickey | SP | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| B. Tallet | SP | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| L. Ayala | MR | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| J. Zuleta | 1B | $300,000 | 2004 | 1 years left | Possible Arbitration, 136 more days of service needed this year. | 2 years |
| M. Kinkade | LF | $300,000 | 2004 | 1 years left | Possible Arbitration, 14 more days of service needed this year. | 2 years |
| L. Lopez | 2B | $300,000 | 2004 | 1 years left | Free agent after this season! | 7 years |
| P. Watkins | CF | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| E. Junge | MR | $300,000 | 2004 | 1 years left | Possible Arbitration, 88 more days of service needed this year. | 2 years |
| J. Mercedes | SP | $300,000 | 2004 | 1 years left | Free agent after this season! | 7 years |
| G. Larocca | 2B | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| T. Sturtze | MR | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| F. Cruceta | SP | Minor-League-Contract | - | - | | 0 years |
| M. Cabrera | LF | Minor-League-Contract | - | - | | 0 years |
| G. Dishman | SP | Minor-League-Contract | - | - | | 1 years |
| B. Backe | MR | Minor-League-Contract | - | - | | 0 years |
| S. Smyth | SP | Minor-League-Contract | - | - | | 0 years |
| H. Bell | SP | Minor-League-Contract | - | - | | 0 years |
| M. Kata | 2B | Minor-League-Contract | - | - | | 0 years |
| D. Wright | 3B | Minor-League-Contract | - | - | | 0 years |
| R. Jensen | SP | Minor-League-Contract | - | - | | 0 years |
| D. Murphy | 2B | Minor-League-Contract | - | - | | 0 years |
| B. Halsey | SP | Minor-League-Contract | - | - | | 0 years |
| A. Machado | 2B | Minor-League-Contract | - | - | | 0 years |
| G. Laird | C | Minor-League-Contract | - | - | | 0 years |
| A. Pratt | MR | Minor-League-Contract | - | - | | 0 years |
| D. Meyer | MR | Minor-League-Contract | - | - | | 0 years |
| D. Krynzel | RF | Minor-League-Contract | - | - | | 0 years |
| J. Bay | CF | Minor-League-Contract | - | - | | 0 years |
| J. Juden | SP | Minor-League-Contract | - | - | | 0 years |
| T. Drew | MR | Minor-League-Contract | - | - | | 2 years |
| C. Reitsma | MR | Minor-League-Contract | - | - | | 1 years |
| M. Belisle | MR | Minor-League-Contract | - | - | | 0 years |
| C. Brazell | 1B | Minor-League-Contract | - | - | | 0 years |
| V. Chulk | CL | Minor-League-Contract | - | - | | 0 years |
| J. Sosa | CF | Minor-League-Contract | - | - | | 0 years |
| T. Wellemeyer | MR | Minor-League-Contract | - | - | | 0 years |
| J. Jones | CF | Minor-League-Contract | - | - | | 0 years |
| T. Hummel | 3B | Minor-League-Contract | - | - | | 0 years |
| M. Neu | MR | Minor-League-Contract | - | - | | 0 years |
| M. Gonzalez | MR | Minor-League-Contract | - | - | | 0 years |
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