| Name | Pos | Salary | Through | Years Left | Notes | Years in Majors |
| S. Casey | 1B | $6,800,000 | 2005 | 2 years left | | 8 years |
| D. Graves | SP | $6,000,000 | 2005 | 2 years left | | 9 years |
| K. Griffey jr. | CF | $6,000,000 | 2009 | 6 years left | | 16 years |
| P. Wilson | SP | $3,500,000 | 2004 | 1 years left | Free agent after this season! | 6 years |
| C. Lidle | SP | $2,750,000 | 2004 | 1 years left | Free agent after this season! | 6 years |
| J. Larue | C | $2,600,000 | 2004 | 1 years left | Free agent after this season! | 6 years |
| G. White | MR | $2,180,000 | 2005 | 2 years left | | 9 years |
| D. Jimenez | 2B | $1,620,000 | 2004 | 1 years left | Arbitration (Estimate: $1,020,000), could become Free Agent with 134 more days of service this year. | 5 years |
| J. Castro | 2B | $1,000,000 | 2004 | 1 years left | Free agent after this season! | 9 years |
| B. Larkin | SS | $750,000 | 2004 | 1 years left | Free agent after this season! | 19 years |
| J. Riedling | MR | $650,000 | 2004 | 1 years left | Arbitration (Estimate: $870,000), could become Free Agent with 162 more days of service this year. | 5 years |
| A. Dunn | LF | $400,000 | 2004 | 1 years left | Arbitration (Estimate: $4,610,000) | 4 years |
| F. Lopez | SS | $334,000 | 2004 | 1 years left | Arbitration (Estimate: $310,000) | 4 years |
| B. Larson | 3B | $308,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 4 years |
| A. Kearns | RF | $305,000 | 2004 | 1 years left | Possible Arbitration, 171 more days of service needed this year. | 2 years |
| R. Taylor | LF | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000), could become Free Agent with 146 more days of service this year. | 5 years |
| A. Harang | SP | $300,000 | 2004 | 1 years left | Possible Arbitration, 129 more days of service needed this year. | 2 years |
| J. Acevedo | SP | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $530,000) | 4 years |
| T. Van poppel | MR | $300,000 | 2004 | 1 years left | Free agent after this season! | 10 years |
| W. Pena | CF | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $550,000) | 3 years |
| J. Hall | SP | $300,000 | 2004 | 1 years left | Automatic Resign. | 1 years |
| J. Bong | MR | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $400,000) | 3 years |
| T. Hummel | 3B | $300,000 | 2004 | 1 years left | Possible Arbitration, 128 more days of service needed this year. | 2 years |
| M. Belisle | MR | $300,000 | 2004 | 1 years left | Possible Arbitration, 159 more days of service needed this year. | 2 years |
| T. Jones | MR | $300,000 | 2004 | 1 years left | Free agent after this season! | 12 years |
| J. Cruz | CF | $300,000 | 2004 | 1 years left | Possible Arbitration, 122 more days of service needed this year. | 2 years |
| M. Matthews | CL | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $310,000), could become Free Agent with 133 more days of service this year. | 5 years |
| J. Clark | CF | $300,000 | 2004 | 1 years left | Possible Arbitration, 152 more days of service needed this year. | 2 years |
| R. Freel | CF | $300,000 | 2004 | 1 years left | Arbitration (Estimate: $300,000) | 3 years |
| J. Valentin | C | $300,000 | 2004 | 1 years left | Free agent after this season! | 6 years |
| R. Olmedo | SS | Minor-League-Contract | - | - | | 1 years |
| P. Janish | SS | Minor-League-Contract | - | - | | 1 years |
| P. Norton | MR | Minor-League-Contract | - | - | | 1 years |
| B. Reith | MR | Minor-League-Contract | - | - | Minor League FA next year! | 2 years |
| C. Miller | C | Minor-League-Contract | - | - | | 3 years |
| J. Valentine | CL | Minor-League-Contract | - | - | | 1 years |
| R. Wagner | CL | Minor-League-Contract | - | - | | 1 years |
| B. Claussen | SP | Minor-League-Contract | - | - | | 1 years |
| D. Mattox | MR | Minor-League-Contract | - | - | | 0 years |
| E. Encarnacion | 3B | Minor-League-Contract | - | - | | 0 years |
| P. Dumatrait | SP | Minor-League-Contract | - | - | | 0 years |
| S. Smitherman | LF | Minor-League-Contract | - | - | | 1 years |
| T. Blanco | 1B | Minor-League-Contract | - | - | | 0 years |
| D. Childress | SP | Minor-League-Contract | - | - | Minor League FA next year! | 0 years |
| J. Vander wal | RF | Minor-League-Contract | - | - | Minor League FA next year! | 13 years |
| A. Farfan | MR | Minor-League-Contract | - | - | | 0 years |
| J. Gillman | SP | Minor-League-Contract | - | - | | 0 years |
| W. Bergolla | 2B | Minor-League-Contract | - | - | | 0 years |
| K. Edens | MR | Minor-League-Contract | - | - | | 0 years |
| H. Hernandez | 2B | Minor-League-Contract | - | - | | 0 years |
| K. Howard | 2B | Minor-League-Contract | - | - | | 0 years |
| T. Howington | SP | Minor-League-Contract | - | - | | 0 years |
| J. Guevara | SP | Minor-League-Contract | - | - | | 0 years |
| J. Baretto | MR | Minor-League-Contract | - | - | | 0 years |
| J. Mejia | 2B | Minor-League-Contract | - | - | | 0 years |
| D. Moseley | SP | Minor-League-Contract | - | - | | 0 years |
| R. Mottl | SP | Minor-League-Contract | - | - | Minor League FA next year! | 0 years |
| J. Paduch | SP | Minor-League-Contract | - | - | | 0 years |
| T. Pauly | SP | Minor-League-Contract | - | - | | 0 years |
| T. Pelland | SP | Minor-League-Contract | - | - | | 0 years |
| M. Perez | C | Minor-League-Contract | - | - | | 0 years |
| J. Ronda | SS | Minor-League-Contract | - | - | | 0 years |
| M. Schramek | 3B | Minor-League-Contract | - | - | Minor League FA next year! | 0 years |
| J. Votto | 1B | Minor-League-Contract | - | - | | 0 years |
| D. Sardinha | C | Minor-League-Contract | - | - | | 1 years |
| S. Kelly | SP | Minor-League-Contract | - | - | Minor League FA next year! | 0 years |
| K. Lewis | CF | Minor-League-Contract | - | - | | 0 years |
| S. Etherton | SP | Minor-League-Contract | - | - | | 2 years |
| J. Cerros | MR | Minor-League-Contract | - | - | | 1 years |
| A. Myette | MR | Minor-League-Contract | - | - | Minor League FA next year! | 5 years |
| L. Prokopec | MR | Minor-League-Contract | - | - | Minor League FA next year! | 3 years |
| R. Gonzalez | MR | Minor-League-Contract | - | - | | 1 years |
| C. Booker | MR | Minor-League-Contract | - | - | | 1 years |
| A. Holbert | 2B | Minor-League-Contract | - | - | | 1 years |
| S. Lomasney | C | Minor-League-Contract | - | - | | 1 years |
| B. Mallette | MR | Minor-League-Contract | - | - | | 1 years |
| B. Shackelford | 1B | Minor-League-Contract | - | - | | 1 years |
| L. Hudson | MR | Minor-League-Contract | - | - | Minor League FA next year! | 0 years |
| B. Nelson | SP | Minor-League-Contract | - | - | | 1 years |
| J. Sanchez | MR | Minor-League-Contract | - | - | Minor League FA next year! | 6 years |
| M. Christensen | CF | Minor-League-Contract | - | - | | 1 years |
| B. Basham | SP | Minor-League-Contract | - | - | | 0 years |
| J. Austin | SP | Minor-League-Contract | - | - | | 2 years |
| J. Bale | SP | Minor-League-Contract | - | - | Minor League FA next year! | 3 years |
| C. Durham | RF | Minor-League-Contract | - | - | | 1 years |
| C. Thurman | SP | Minor-League-Contract | - | - | | 1 years |
| J. Romano | RF | Minor-League-Contract | - | - | | 2 years |
| C. Gruler | SP | Minor-League-Contract | - | - | | 0 years |
| J. Dillard | MR | Minor-League-Contract | - | - | | 1 years |
| D. Anderson | 2B | Minor-League-Contract | - | - | | 1 years |
| M. Gonzalez | SP | Minor-League-Contract | - | - | | 0 years |
| R. Malone | RF | Minor-League-Contract | - | - | | 0 years |
| H. Barnette | 3B | Minor-League-Contract | - | - | | 0 years |
| P. Skalski | C | Minor-League-Contract | - | - | | 0 years |
| W. Taft | SP | Minor-League-Contract | - | - | | 0 years |
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