| ST | Scott Roberts | -2 | 8 | 6 | 3.58 | 26 | 26 | 3 | 0 | 0 | 0 | 151.0 | 156 | 72 | 60 | 11 | 74 | 89 | 3 | | 9.3 | 0.7 | 4.4 | 5.3 | 1.52 |
| ST | Juan Eichelberger | 30 | 8 | 11 | 4.96 | 25 | 22 | 6 | 1 | 0 | 0 | 139.2 | 136 | 84 | 77 | 9 | 75 | 91 | 7 | | 8.8 | 0.6 | 4.8 | 5.9 | 1.51 |
| ST | Michael Anderson (Tucson) | - | 6 | 6 | 4.49 | 19 | 18 | 1 | 1 | 1 | 0 | 100.1 | 113 | 59 | 50 | 6 | 53 | 48 | 8 | | 10.1 | 0.5 | 4.8 | 4.3 | 1.65 |
| ST | Andy Beene | 27 | 6 | 6 | 4.12 | 16 | 16 | 1 | 1 | 0 | 0 | 87.1 | 80 | 41 | 40 | 2 | 41 | 68 | 6 | | 8.2 | 0.2 | 4.2 | 7.0 | 1.39 |
| ST | Tom Candiotti | 26 | 8 | 4 | 2.89 | 15 | 15 | 4 | 0 | 0 | 0 | 96.2 | 96 | 36 | 31 | 4 | 22 | 53 | 3 | | 8.9 | 0.4 | 2.0 | 4.9 | 1.22 |
| CL | James Koontz | - | 7 | 4 | 2.91 | 43 | 1 | 0 | 0 | 25 | 7 | 92.2 | 81 | 39 | 30 | 7 | 30 | 71 | 1 | | 7.9 | 0.7 | 2.9 | 6.9 | 1.20 |
| RP | Ray Searage | 29 | 6 | 3 | 3.07 | 33 | 5 | 0 | 0 | 16 | 1 | 76.1 | 62 | 29 | 26 | 6 | 44 | 59 | 6 | | 7.3 | 0.7 | 5.2 | 7.0 | 1.39 |
| RP | Dan Burns | - | 6 | 3 | 3.12 | 28 | 0 | 0 | 0 | 22 | 3 | 60.2 | 65 | 27 | 21 | 5 | 26 | 42 | 0 | | 9.6 | 0.7 | 3.9 | 6.2 | 1.50 |
| RP | Jack Lazorko | 28 | 2 | 3 | 3.76 | 28 | 1 | 1 | 0 | 21 | 6 | 52.2 | 43 | 24 | 22 | 6 | 15 | 35 | 3 | | 7.3 | 1.0 | 2.6 | 6.0 | 1.10 |
| RP | Danny Boone | 30 | 4 | 4 | 4.74 | 27 | 0 | 0 | 0 | 17 | 3 | 57.0 | 63 | 35 | 30 | 5 | 25 | 22 | 0 | | 9.9 | 0.8 | 3.9 | 3.5 | 1.54 |
| Chuck Hensley (Tacoma) | 25 | 0 | 4 | 6.63 | 14 | 5 | 0 | 0 | 3 | 0 | 38.0 | 58 | 36 | 28 | 5 | 16 | 24 | 1 | | 13.7 | 1.2 | 3.8 | 5.7 | 1.95 |
| Bob Gibson | 27 | 3 | 4 | 4.54 | 14 | 11 | 3 | 1 | 1 | 0 | 73.1 | 50 | 40 | 37 | 8 | 39 | 75 | 6 | | 6.1 | 1.0 | 4.8 | 9.2 | 1.21 |
| Jerry Augustine | 31 | 3 | 8 | 4.55 | 13 | 11 | 1 | 0 | 2 | 1 | 65.1 | 70 | 37 | 33 | 5 | 26 | 32 | 0 | | 9.6 | 0.7 | 3.6 | 4.4 | 1.47 |
| Paul Hartzell | 30 | 5 | 1 | 2.91 | 10 | 7 | 1 | 0 | 1 | 1 | 46.1 | 54 | 20 | 15 | 1 | 5 | 14 | 0 | | 10.5 | 0.2 | 1.0 | 2.7 | 1.27 |
| John Stuper | 27 | 2 | 3 | 3.86 | 10 | 10 | 2 | 0 | 0 | 0 | 63.0 | 58 | 28 | 27 | 3 | 26 | 30 | 3 | | 8.3 | 0.4 | 3.7 | 4.3 | 1.33 |
| Teddy Higuera | 25 | 1 | 4 | 4.73 | 8 | 6 | 0 | 0 | 2 | 0 | 40.0 | 49 | 26 | 21 | 3 | 14 | 29 | 0 | | 11.0 | 0.7 | 3.2 | 6.5 | 1.58 |
| Bryan Duquette | - | 0 | 0 | 3.18 | 7 | 0 | 0 | 0 | 6 | 2 | 11.1 | 12 | 4 | 4 | 0 | 7 | 9 | 0 | | 9.5 | 0.0 | 5.6 | 7.1 | 1.68 |
| Bill Wegman | 21 | 0 | 3 | 1.95 | 6 | 3 | 0 | 0 | 2 | 1 | 27.2 | 30 | 11 | 6 | 0 | 8 | 16 | 0 | | 9.8 | 0.0 | 2.6 | 5.2 | 1.37 |
| Brad Lesley | 25 | 0 | 0 | 0.0 | 5 | 0 | 0 | 0 | 4 | 2 | 7.2 | 3 | 1 | 0 | 0 | 4 | 6 | 0 | | 3.5 | 0.0 | 4.7 | 7.0 | 0.91 |
| Doug Jones | 27 | 1 | 0 | 10.13 | 3 | 0 | 0 | 0 | 0 | 0 | 8.0 | 9 | 9 | 9 | 3 | 3 | 2 | 2 | | 10.1 | 3.4 | 3.4 | 2.3 | 1.50 |
| Miguel Alicea | -3 | 0 | 0 | 0.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 |
| Randy Moffitt | 35 | 0 | 0 | --- | 1 | 0 | 0 | 0 | 0 | 0 | 0.0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | | --- | --- | --- | --- | --- |
| Pitching Totals: | 76 | 77 | 3.94 | 352 | 157 | 23 | 4 | 123 | 27 | 1,295.3 | 1289 | 658 | 567 | 89 | 555 | 815 | 49 | | 9.0 | 0.6 | 3.9 | 5.7 | 1.42 |