| Name | Pos | Salary | Through | Years Left | Notes | Years in Majors |
| B. Williams | CF | $17,770,000 | 2006 | 3 years left | | 13 years |
| R. Nen | MR | $12,350,000 | 2004 | 1 years left | Free agent after this season! | 10 years |
| J. Bagwell | 1B | $6,650,000 | 2005 | 2 years left | | 14 years |
| A. Rodriguez | SS | $6,250,000 | 2006 | 3 years left | | 8 years |
| D. Davis | SP | $5,957,143 | 2004 | 1 years left | Arbitration (Estimate: $4,420,000), could become Free Agent with 172 more days of service this year. | 5 years |
| M. Lieberthal | C | $5,310,000 | 2005 | 2 years left | | 8 years |
| W. Delgado | 2B | $5,180,000 | 2006 | 3 years left | | 7 years |
| R. Cedeno | LF | $5,020,000 | 2005 | 2 years left | | 9 years |
| B. Colon | SP | $4,200,000 | 2006 | 3 years left | | 7 years |
| V. Guerrero | RF | $2,714,286 | 2004 | 1 years left | Extension signed. | 6 years |
| K. Benson | SP | $2,435,714 | 2004 | 1 years left | Extension signed. | 4 years |
| C. Pavano | SP | $1,892,857 | 2004 | 1 years left | Arbitration (Estimate: $2,080,000), could become Free Agent with 22 more days of service this year. | 5 years |
| J. Lugo | 2B | $1,375,714 | 2004 | 1 years left | Arbitration (Estimate: $1,340,000), could become Free Agent with 172 more days of service this year. | 5 years |
| J. Wright | SP | $1,330,000 | 2004 | 1 years left | Arbitration (Estimate: $1,270,000) | 4 years |
| M. Barrett | C | $977,143 | 2004 | 1 years left | Arbitration (Estimate: $1,220,000), could become Free Agent with 172 more days of service this year. | 5 years |
| T. Rizzo | MR | $595,714 | 2004 | 1 years left | Arbitration (Estimate: $300,000), could become Free Agent with 172 more days of service this year. | 5 years |
| J. Crede | 3B | $350,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 4 years |
| I. Alcantara | 1B | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| J. Washburn | SP | $300,000 | 2004 | 1 years left | Possible Arbitration, 150 more days of service needed this year. | 2 years |
| J. Patterson | SP | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| T. Hafner | 1B | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $4,760,000) | 3 years |
| V. Diaz | CF | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| E. Renteria | SS | $300,000 | 2004 | 1 years left | Free agent after this season! | 7 years |
| A. Piatt | LF | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| C. Paronto | MR | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| M. Saipe | MR | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| B. Donnelly | CL | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $490,000) | 3 years |
| A. Simpson | CL | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| C. Brumbaugh | LF | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| C. Liniak | 2B | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| W. Gonzalez | C | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| L. Ford | CF | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| D. Kelton | LF | Minor-League-Contract | - | - | | 0 years |
| J. Santiago | MR | Minor-League-Contract | - | - | | 0 years |
| M. Watson | LF | Minor-League-Contract | - | - | | 0 years |
| K. Dehaan | RF | Minor-League-Contract | - | - | | 0 years |
| R. Keisler | MR | Minor-League-Contract | - | - | | 0 years |
| S. Mullen | MR | Minor-League-Contract | - | - | | 0 years |
| D. Kolb | MR | Minor-League-Contract | - | - | | 2 years |
| S. Dohmann | MR | Minor-League-Contract | - | - | | 0 years |
| S. Falteisek | MR | Minor-League-Contract | - | - | | 0 years |
| J. Roskos | LF | Minor-League-Contract | - | - | | 0 years |
| R. Raburn | 2B | Minor-League-Contract | - | - | | 0 years |
| B. Hennessey | SP | Minor-League-Contract | - | - | | 0 years |
| H. Estrada | MR | Minor-League-Contract | - | - | | 0 years |
| J. Jimenez | MR | Minor-League-Contract | - | - | | 0 years |
| J. Gil | SS | Minor-League-Contract | - | - | | 0 years |
| T. Sears | 1B | Minor-League-Contract | - | - | | 0 years |
| T. Torcato | RF | Minor-League-Contract | - | - | | 0 years |
| E. Rogers | SS | Minor-League-Contract | - | - | | 0 years |
| B. Mcnichol | SP | Minor-League-Contract | - | - | | 0 years |
| M. Mejia | RF | Minor-League-Contract | - | - | | 0 years |
| C. Crespo | 2B | Minor-League-Contract | - | - | | 0 years |
| H. Cota | C | Minor-League-Contract | - | - | | 0 years |
| K. Huckaby | C | Minor-League-Contract | - | - | | 0 years |
|