| TEAM | W | R | SEASON | L | W% | G | ERA | SO | SHO | SV | IP | H | ER | HR | BB | HBP | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mariners | 0 | 97 | 1977 | 7 | .000 | 7 | 13.89 | 38 | 0 | 0 | 57.0 | 101 | 88 | 20 | 37 | 4 | 2 | 311 | 4 | 6.00 | 5.84 | 1.03 | 3.16 | 12.2 | 11.9 | 2.42 | .382 | 15.32 | 15.95 | |
| 2 | Mariners | 0 | 53 | 1978 | 4 | .000 | 4 | 10.50 | 16 | 0 | 0 | 36.0 | 63 | 42 | 6 | 28 | 2 | 3 | 199 | 2 | 4.00 | 7.00 | 0.57 | 1.50 | 8.0 | 14.1 | 2.53 | .388 | 13.25 | 15.75 | |
| 3 | Mariners | 0 | 87 | 1979 | 6 | .000 | 6 | 11.60 | 24 | 0 | 0 | 52.0 | 107 | 67 | 14 | 31 | 4 | 3 | 295 | 4 | 4.15 | 5.37 | 0.77 | 2.42 | 8.1 | 10.5 | 2.65 | .419 | 15.06 | 18.52 | |
| 4 | Mariners | 0 | 14 | 1980 | 1 | .000 | 1 | 13.00 | 4 | 0 | 0 | 9.0 | 15 | 13 | 3 | 6 | 0 | 1 | 49 | 0 | 4.00 | 6.00 | 0.67 | 3.00 | 8.2 | 12.2 | 2.33 | .333 | 14.00 | 15.00 | |
| 5 | Mariners | 0 | 48 | 1981 | 3 | .000 | 3 | 16.88 | 15 | 0 | 0 | 24.0 | 56 | 45 | 5 | 10 | 3 | 2 | 141 | 1 | 5.63 | 3.75 | 1.50 | 1.88 | 10.6 | 7.1 | 2.75 | .472 | 18.00 | 21.00 | |
| 6 | Mariners | 0 | 13 | 1982 | 1 | .000 | 1 | 13.00 | 7 | 0 | 0 | 9.0 | 15 | 13 | 5 | 2 | 0 | 0 | 44 | 0 | 7.00 | 2.00 | 3.50 | 5.00 | 15.9 | 4.5 | 1.89 | .333 | 13.00 | 15.00 | |
| 7 | Mariners | 0 | 46 | 1983 | 3 | .000 | 3 | 13.00 | 19 | 0 | 0 | 27.0 | 48 | 39 | 7 | 23 | 2 | 2 | 152 | 2 | 6.33 | 7.67 | 0.83 | 2.33 | 12.5 | 15.1 | 2.63 | .406 | 15.33 | 16.00 | |
| 8 | Mariners | 0 | 66 | 1984 | 5 | .000 | 5 | 12.89 | 25 | 0 | 0 | 44.0 | 97 | 63 | 11 | 24 | 5 | 4 | 251 | 2 | 5.11 | 4.91 | 1.04 | 2.25 | 10.0 | 9.6 | 2.75 | .462 | 13.50 | 19.84 | |
| 9 | Mariners | 0 | 14 | 1985 | 1 | .000 | 1 | 14.63 | 5 | 0 | 0 | 8.0 | 16 | 13 | 2 | 6 | 1 | 0 | 47 | 0 | 5.63 | 6.75 | 0.83 | 2.25 | 10.6 | 12.8 | 2.75 | .424 | 15.75 | 18.00 | |
| 10 | Mariners | 0 | 41 | 1986 | 3 | .000 | 3 | 11.77 | 24 | 0 | 0 | 26.0 | 39 | 34 | 5 | 21 | 0 | 0 | 140 | 1 | 8.31 | 7.27 | 1.14 | 1.73 | 17.1 | 15.0 | 2.31 | .378 | 14.19 | 13.50 | |
| 11 | Mariners | 0 | 83 | 1987 | 6 | .000 | 6 | 11.34 | 27 | 0 | 0 | 50.0 | 91 | 63 | 14 | 26 | 5 | 0 | 269 | 1 | 4.86 | 4.68 | 1.04 | 2.52 | 10.0 | 9.7 | 2.34 | .391 | 14.94 | 16.38 | |
| 12 | Mariners | 0 | 14 | 1988 | 1 | .000 | 1 | 15.75 | 4 | 0 | 0 | 8.0 | 18 | 14 | 4 | 3 | 0 | 0 | 45 | 0 | 4.50 | 3.38 | 1.33 | 4.50 | 8.9 | 6.7 | 2.63 | .412 | 15.75 | 20.25 | |
| 13 | Mariners | 0 | 26 | 1989 | 2 | .000 | 2 | 12.18 | 9 | 0 | 0 | 17.0 | 29 | 23 | 4 | 13 | 0 | 1 | 90 | 1 | 4.76 | 6.88 | 0.69 | 2.12 | 10.0 | 14.4 | 2.47 | .391 | 13.76 | 15.35 | |
| 14 | Mariners | 0 | 42 | 1990 | 3 | .000 | 3 | 11.00 | 10 | 0 | 0 | 27.0 | 53 | 33 | 3 | 22 | 2 | 1 | 154 | 4 | 3.33 | 7.33 | 0.45 | 1.00 | 6.5 | 14.3 | 2.78 | .427 | 14.00 | 17.67 | |
| 15 | Mariners | 0 | 30 | 1991 | 2 | .000 | 2 | 15.35 | 12 | 0 | 0 | 17.0 | 35 | 29 | 2 | 12 | 2 | 2 | 98 | 0 | 6.35 | 6.35 | 1.00 | 1.06 | 12.2 | 12.2 | 2.76 | .471 | 15.88 | 18.53 | |
| 16 | Mariners | 0 | 82 | 1992 | 6 | .000 | 6 | 13.67 | 24 | 0 | 0 | 52.0 | 102 | 79 | 15 | 43 | 3 | 1 | 298 | 5 | 4.15 | 7.44 | 0.56 | 2.60 | 8.1 | 14.4 | 2.79 | .408 | 14.19 | 17.65 | |
| 17 | Mariners | 0 | 88 | 1993 | 6 | .000 | 6 | 14.37 | 41 | 0 | 0 | 52.0 | 104 | 83 | 15 | 36 | 4 | 3 | 293 | 3 | 7.10 | 6.23 | 1.14 | 2.60 | 14.0 | 12.3 | 2.69 | .452 | 15.23 | 18.00 | |
| 18 | Mariners | 0 | 87 | 1994 | 6 | .000 | 6 | 14.65 | 20 | 0 | 0 | 51.0 | 93 | 83 | 16 | 41 | 2 | 3 | 287 | 7 | 3.53 | 7.24 | 0.49 | 2.82 | 7.0 | 14.3 | 2.63 | .370 | 15.35 | 16.41 | |
| 19 | Mariners | 0 | 27 | 1995 | 2 | .000 | 2 | 13.76 | 9 | 0 | 0 | 17.0 | 32 | 26 | 4 | 17 | 0 | 1 | 98 | 1 | 4.76 | 9.00 | 0.53 | 2.12 | 9.2 | 17.3 | 2.88 | .412 | 14.29 | 16.94 | |
| 20 | Mariners | 0 | 113 | 1996 | 8 | .000 | 8 | 14.29 | 40 | 0 | 0 | 68.2 | 125 | 109 | 25 | 47 | 10 | 6 | 384 | 3 | 5.24 | 6.16 | 0.85 | 3.28 | 10.4 | 12.2 | 2.50 | .382 | 14.81 | 16.38 | |
| 21 | Mariners | 0 | 64 | 1997 | 4 | .000 | 4 | 15.62 | 25 | 0 | 0 | 34.0 | 65 | 59 | 13 | 29 | 2 | 0 | 200 | 1 | 6.62 | 7.68 | 0.86 | 3.44 | 12.5 | 14.5 | 2.76 | .397 | 16.94 | 17.21 | |
| 22 | Mariners | 0 | 73 | 1998 | 5 | .000 | 5 | 14.65 | 28 | 0 | 0 | 43.0 | 89 | 70 | 20 | 13 | 5 | 0 | 233 | 3 | 5.86 | 2.72 | 2.15 | 4.19 | 12.0 | 5.6 | 2.37 | .413 | 15.28 | 18.63 | |
| 23 | Mariners | 0 | 172 | 1999 | 12 | .000 | 12 | 13.72 | 69 | 0 | 0 | 103.0 | 196 | 157 | 34 | 81 | 9 | 4 | 587 | 14 | 6.03 | 7.08 | 0.85 | 2.97 | 11.8 | 13.8 | 2.69 | .411 | 15.03 | 17.13 | |
| 24 | Mariners | 0 | 105 | 2000 | 7 | .000 | 7 | 14.12 | 28 | 0 | 0 | 58.0 | 130 | 91 | 16 | 37 | 2 | 3 | 338 | 3 | 4.34 | 5.74 | 0.76 | 2.48 | 8.3 | 10.9 | 2.88 | .447 | 16.29 | 20.17 | |
| 25 | Mariners | 0 | 43 | 2001 | 3 | .000 | 3 | 12.51 | 13 | 0 | 0 | 27.1 | 55 | 38 | 10 | 10 | 3 | 0 | 145 | 1 | 4.28 | 3.29 | 1.30 | 3.29 | 9.0 | 6.9 | 2.38 | .413 | 14.16 | 18.11 | |