| Name | Pos | Salary | Through | Years Left | Notes | Years in Majors |
| S. Karsay | SP | $5,360,000 | 2005 | 2 years left | | 9 years |
| R. Mendoza | CL | $5,000,000 | 2005 | 2 years left | | 9 years |
| C. Beltran | CF | $4,871,429 | 2004 | 1 years left | Extension signed. | 6 years |
| M. Tejada | 3B | $4,778,571 | 2004 | 1 years left | Extension signed. | 6 years |
| J. Schmidt | SP | $4,300,000 | 2006 | 3 years left | | 7 years |
| B. Penny | SP | $2,950,000 | 2004 | 1 years left | Arbitration (Estimate: $1,710,000), could become Free Agent with 172 more days of service this year. | 5 years |
| T. Lee | 1B | $1,700,000 | 2004 | 1 years left | Extension signed. | 6 years |
| J. Giambi | RF | $1,685,714 | 2004 | 1 years left | Arbitration (Estimate: $1,690,000) | 4 years |
| S. Soderstrom | SP | $1,662,857 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 4 years |
| B. Huskey | 3B | $1,652,143 | 2004 | 1 years left | Arbitration (Estimate: $1,160,000), could become Free Agent with 140 more days of service this year. | 5 years |
| T. Hunter | LF | $1,580,000 | 2004 | 1 years left | Arbitration (Estimate: $980,000), could become Free Agent with 172 more days of service this year. | 5 years |
| D. Cedeno | SS | $1,500,000 | 2005 | 2 years left | | 7 years |
| B. Abreu | DH | $1,342,857 | 2004 | 1 years left | Extension signed. | 5 years |
| R. Wolf | MR | $1,278,571 | 2004 | 1 years left | Extension signed. | 6 years |
| J. Weaver | MR | $997,143 | 2004 | 1 years left | Extension signed. | 6 years |
| A. Martin | LF | $850,000 | 2004 | 1 years left | Free agent after this season! | 10 years |
| W. Guerrero | 2B | $550,000 | 2005 | 2 years left | | 6 years |
| J. Haynes | SP | $350,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000), could become Free Agent with 163 more days of service this year. | 5 years |
| R. Greer | RF | $330,000 | 2005 | 2 years left | | 8 years |
| R. Drese | SP | $300,000 | 2004 | 1 years left | Possible Arbitration, 41 more days of service needed this year. | 2 years |
| J. Levis | C | $300,000 | 2005 | 2 years left | | 11 years |
| C. Guzman | SS | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| V. Darensbourg | MR | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| C. Sadler | MR | $300,000 | 2004 | 1 years left | Possible Arbitration, 41 more days of service needed this year. | 2 years |
| T. Graffanino | 3B | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| C. Zambrano | SP | $300,000 | 2004 | 1 years left | Possible Arbitration, 41 more days of service needed this year. | 2 years |
| E. Bedard | SP | $300,000 | 2004 | 1 years left | Possible Arbitration, 41 more days of service needed this year. | 2 years |
| C. Richard | 1B | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| N. Green | 2B | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| B. Ward | MR | $300,000 | 2004 | 1 years left | Possible Arbitration, 160 more days of service needed this year. | 2 years |
| C. Wilson | 1B | $300,000 | 2004 | 1 years left | Possible Arbitration, 172 more days of service needed this year. | 2 years |
| J. Miller | SP | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| A. Cabrera | RF | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| B. Davis | C | $300,000 | 2004 | 1 years left | Automatic Resign. | 0 years |
| M. Redmond | C | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| B. Ryan | MR | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| A. Perez | 3B | Minor-League-Contract | - | - | | 0 years |
| B. Buchanan | RF | Minor-League-Contract | - | - | | 0 years |
| B. Selby | 3B | Minor-League-Contract | - | - | | 0 years |
| C. Latham | 3B | Minor-League-Contract | - | - | | 0 years |
| B. Edmondson | MR | Minor-League-Contract | - | - | | 0 years |
| S. Douglass | SP | Minor-League-Contract | - | - | | 0 years |
| A. Taylor | MR | Minor-League-Contract | - | - | | 0 years |
| J. Peralta | SS | Minor-League-Contract | - | - | | 0 years |
| E. Brown | CF | Minor-League-Contract | - | - | | 0 years |
| J. Atchley | MR | Minor-League-Contract | - | - | | 0 years |
| V. Alvarez | MR | Minor-League-Contract | - | - | | 0 years |
| Z. Sorensen | 2B | Minor-League-Contract | - | - | | 0 years |
| I. Snell | SP | Minor-League-Contract | - | - | | 0 years |
| M. Christensen | CF | Minor-League-Contract | - | - | | 0 years |
| K. Frederick | MR | Minor-League-Contract | - | - | | 0 years |
| G. Meche | SP | Minor-League-Contract | - | - | | 0 years |
| A. Sanders | LF | Minor-League-Contract | - | - | | 0 years |
| J. Toca | 1B | Minor-League-Contract | - | - | | 0 years |
| M. Rosario | C | Minor-League-Contract | - | - | | 0 years |
| G. Molina | MR | Minor-League-Contract | - | - | | 0 years |
| M. Riley | SP | Minor-League-Contract | - | - | | 0 years |
| M. Metcalfe | 2B | Minor-League-Contract | - | - | | 0 years |
| J. Clark | 3B | Minor-League-Contract | - | - | | 0 years |
| R. Bell | SP | Minor-League-Contract | - | - | | 0 years |
| S. Etherton | MR | Minor-League-Contract | - | - | | 0 years |
| R. Barajas | C | Minor-League-Contract | - | - | | 0 years |
| J. Dominguez | SP | Minor-League-Contract | - | - | | 0 years |
| P. Redman | CF | Minor-League-Contract | - | - | | 0 years |
| J. Roach | SP | Minor-League-Contract | - | - | | 0 years |
| G. Kingsale | LF | Minor-League-Contract | - | - | | 0 years |
| R. Adams | SS | Minor-League-Contract | - | - | | 0 years |
| D. Borkowski | SP | Minor-League-Contract | - | - | | 0 years |
| G. Chacin | MR | Minor-League-Contract | - | - | | 0 years |
| B. Hendrickson | SP | Minor-League-Contract | - | - | | 0 years |
| C. Nageotte | SP | Minor-League-Contract | - | - | | 0 years |
| T. Blackley | MR | Minor-League-Contract | - | - | | 0 years |
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