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| Name | W | L | SV | ERA | G | GS | IP | HA | R | ER | HR | BB | K | WHIP | OAVG | BABIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Terry Mathews RP | 1 | 0 | 0 | 0.00 | 3 | 0 | 6.2 | 1 | 0 | 0 | 0 | 5 | 4 | 0.90 | .053 | .063 | 0.1 |
| Frank DiPino RP | 0 | 0 | 0 | 0.00 | 1 | 0 | 2.2 | 1 | 0 | 0 | 0 | 0 | 3 | 0.38 | .111 | .167 | 0.1 |
| Greg Mathews RP | 2 | 1 | 1 | 1.71 | 21 | 0 | 47.1 | 34 | 12 | 9 | 4 | 12 | 42 | 0.97 | .192 | .227 | 1.0 |
| Arthur Rhodes RP | 5 | 2 | 24 | 2.49 | 44 | 0 | 47.0 | 33 | 13 | 13 | 7 | 15 | 68 | 1.02 | .198 | .283 | 1.6 |
| Derek Lowe SP | 3 | 2 | 0 | 3.00 | 14 | 9 | 57.0 | 37 | 21 | 19 | 7 | 21 | 57 | 1.02 | .184 | .217 | 1.1 |
| Doug Henry RP | 0 | 1 | 0 | 3.38 | 2 | 0 | 5.1 | 4 | 2 | 2 | 1 | 3 | 7 | 1.31 | .222 | .300 | 0.0 |
| Joey Hamilton SP | 17 | 7 | 0 | 3.44 | 26 | 26 | 199.0 | 159 | 83 | 76 | 23 | 51 | 184 | 1.06 | .216 | .254 | 4.4 |
| Joel Adamson RP | 0 | 2 | 2 | 3.77 | 17 | 0 | 31.0 | 19 | 13 | 13 | 5 | 13 | 36 | 1.03 | .174 | .200 | 0.2 |
| Mike Mussina SP | 17 | 10 | 0 | 3.83 | 28 | 28 | 223.0 | 183 | 99 | 95 | 35 | 46 | 222 | 1.03 | .219 | .254 | 4.9 |
| Mac Suzuki SP | 5 | 1 | 0 | 4.35 | 8 | 8 | 49.2 | 43 | 28 | 24 | 14 | 24 | 44 | 1.35 | .231 | .223 | -0.4 |
| Randy Johnson SP | 2 | 1 | 0 | 4.45 | 4 | 4 | 28.1 | 22 | 15 | 14 | 4 | 20 | 26 | 1.48 | .212 | .237 | 0.1 |
| Brad Radke SP | 12 | 6 | 0 | 4.51 | 27 | 27 | 203.1 | 209 | 106 | 102 | 35 | 43 | 155 | 1.24 | .259 | .281 | 2.6 |
| Jose Rijo SP | 7 | 5 | 0 | 4.52 | 14 | 14 | 97.2 | 90 | 51 | 49 | 13 | 30 | 81 | 1.23 | .245 | .278 | 1.7 |
| Jeff Suppan SP | 1 | 2 | 2 | 4.70 | 16 | 0 | 30.2 | 28 | 16 | 16 | 5 | 9 | 30 | 1.21 | .246 | .287 | 0.3 |
| Brian Shouse RP | 2 | 2 | 0 | 4.76 | 14 | 0 | 22.2 | 23 | 13 | 12 | 3 | 3 | 19 | 1.15 | .258 | .299 | 0.3 |
| Jim Abbott SP | 4 | 4 | 0 | 4.82 | 12 | 12 | 93.1 | 91 | 51 | 50 | 16 | 28 | 79 | 1.28 | .253 | .281 | 1.1 |
| Bruce Chen SP | 0 | 2 | 0 | 5.25 | 2 | 2 | 12.0 | 9 | 8 | 7 | 3 | 5 | 15 | 1.17 | .196 | .214 | 0.1 |
| Tim Crabtree RP | 0 | 2 | 6 | 6.23 | 8 | 0 | 8.2 | 9 | 6 | 6 | 3 | 4 | 6 | 1.50 | .265 | .240 | -0.6 |
| Rich Croushore RP | 0 | 2 | 1 | 9.53 | 17 | 0 | 17.0 | 16 | 18 | 18 | 6 | 15 | 29 | 1.82 | .242 | .313 | -0.5 |
