| Name | Pos | Salary | Through | Years Left | Notes | Years in Majors |
| P. Martinez | SP | $10,840,000 | 2004 | 1 years left | Extension signed. | 12 years |
| T. Clark | 1B | $9,600,000 | 2005 | 2 years left | | 8 years |
| I. Rodriguez | C | $9,000,000 | 2008 | 5 years left | | 12 years |
| J. Thome | 1B | $8,000,000 | 2006 | 3 years left | | 12 years |
| R. Garces | CL | $7,500,000 | 2004 | 1 years left | Extension signed. | 10 years |
| M. Kelly | RF | $5,500,000 | 2006 | 3 years left | | 7 years |
| T. O'leary | RF | $4,700,000 | 2005 | 2 years left | | 8 years |
| E. Milton | SP | $4,278,571 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 4 years |
| R. Furcal | SS | $3,892,857 | 2004 | 1 years left | Arbitration (Estimate: $2,550,000) | 4 years |
| R. Rivera | RF | $3,500,000 | 2005 | 2 years left | | 4 years |
| C. Paquette | 3B | $2,500,000 | 2004 | 1 years left | Free agent after this season! | 10 years |
| C. Baerga | 2B | $2,400,000 | 2005 | 2 years left | | 13 years |
| R. Ibanez | LF | $2,178,571 | 2004 | 1 years left | Arbitration (Estimate: $2,180,000), could become Free Agent with 145 more days of service this year. | 5 years |
| T. Ohka | SP | $1,542,857 | 2004 | 1 years left | Arbitration (Estimate: $360,000) | 4 years |
| S. Macrae | MR | $622,857 | 2004 | 1 years left | Arbitration (Estimate: $750,000) | 4 years |
| K. Ligtenberg | MR | $570,000 | 2005 | 2 years left | | 7 years |
| J. Tavarez | MR | $350,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| R. King | MR | $350,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 4 years |
| M. Loretta | 2B | $350,000 | 2004 | 1 years left | Extension signed. | 6 years |
| M. Byrd | LF | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| O. Cabrera | 2B | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| M. Anderson | MR | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $490,000) | 4 years |
| J. Valentin | C | $300,000 | 2004 | 1 years left | Possible Arbitration, 123 more days of service needed this year. | 2 years |
| J. Rivera | RF | $300,000 | 2004 | 1 years left | Possible Arbitration, 142 more days of service needed this year. | 2 years |
| J. Affeldt | SP | $300,000 | 2004 | 1 years left | Possible Arbitration, 90 more days of service needed this year. | 2 years |
| J. Garland | SP | $300,000 | 2004 | 1 years left | Possible Arbitration, 102 more days of service needed this year. | 2 years |
| A. Miranda | SP | $300,000 | 2004 | 1 years left | Possible Arbitration, 21 more days of service needed this year. | 2 years |
| R. Lindsey | RF | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| S. Stewart | MR | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $470,000) | 3 years |
| J. Booty | 3B | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| S. Williamson | SP | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $1,700,000) | 3 years |
| T. Redman | RF | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| B. Sweeney | MR | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| C. Durbin | SP | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| N. Cornejo | SP | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| D. Ebert | MR | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| R. Baldelli | CF | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| F. Cordero | MR | $300,000 | 2004 | 1 years left | Possible Arbitration, 168 more days of service needed this year. | 2 years |
| J. Abbott | CF | Minor-League-Contract | - | - | | 0 years |
| R. Madson | MR | Minor-League-Contract | - | - | | 0 years |
| B. Anderson | MR | Minor-League-Contract | - | - | | 4 years |
| C. Baek | SP | Minor-League-Contract | - | - | | 0 years |
| D. Aardsma | MR | Minor-League-Contract | - | - | | 0 years |
| B. Jacobsen | 1B | Minor-League-Contract | - | - | | 0 years |
| T. Walker | MR | Minor-League-Contract | - | - | | 0 years |
| J. Suppan | SP | Minor-League-Contract | - | - | | 1 years |
| J. Paniagua | SP | Minor-League-Contract | - | - | | 0 years |
| H. Ramirez | SP | Minor-League-Contract | - | - | | 0 years |
| C. Kotchman | 1B | Minor-League-Contract | - | - | | 0 years |
| B. Howry | MR | Minor-League-Contract | - | - | | 2 years |
| J. Van benschoten | SP | Minor-League-Contract | - | - | | 0 years |
| L. Hawkins | MR | Minor-League-Contract | - | - | | 0 years |
| C. Castillo | MR | Minor-League-Contract | - | - | | 0 years |
| A. Alvarez | SP | Minor-League-Contract | - | - | | 0 years |
| J. Barnes | RF | Minor-League-Contract | - | - | | 0 years |
| J. Lehr | MR | Minor-League-Contract | - | - | | 0 years |
| R. Ordonez | SS | Minor-League-Contract | - | - | | 0 years |
| B. O'connor | MR | Minor-League-Contract | - | - | | 0 years |
| J. Foster | MR | Minor-League-Contract | - | - | | 0 years |
| K. Bartee | LF | Minor-League-Contract | - | - | | 2 years |
| S. Depaula | MR | Minor-League-Contract | - | - | | 0 years |
| B. Mueller | 3B | Minor-League-Contract | - | - | | 3 years |
| A. Pettyjohn | SP | Minor-League-Contract | - | - | | 0 years |
| J. Valentine | MR | Minor-League-Contract | - | - | | 0 years |
| R. Garcia | MR | Minor-League-Contract | - | - | | 0 years |
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