Mike Schooler played 6 seasons for the Mariners and Rangers. He had 15 wins, 29 losses, 98 saves, an ERA of 3.49 and 248 strikeouts.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Schooler | 1988 |  SEA | 40 | 5 | 8 | .385 | 0 | 3.54 | 54 | 0 | 0 | 15 | 48.1 | 45 | 19 | 21 | 4 | 24 | 1 | 33 | 4 | 214 | 4 | 10.06 | 4.47 | 2.25 | 0.74 | 25.2 | 11.2 | 1.43 | .313 | 3.91 | 86 | 3.15 | 77 | 8.38 | 5 |
| 2 | | M. Schooler | 1989 | SEA | 67 | 1 | 7 | .125 | 0 | 2.81 | 69 | 0 | 0 | 33 | 77.0 | 81 | 24 | 27 | 2 | 19 | 2 | 60 | 3 | 329 | 6 | 8.06 | 2.22 | 3.63 | 0.23 | 21.0 | 5.8 | 1.30 | .333 | 3.16 | 70 | 2.12 | 54 | 9.47 | 15 |
| 3 | | M. Schooler | 1990 | SEA | 49 | 1 | 4 | .200 | 0 | 2.25 | 45 | 0 | 0 | 30 | 56.0 | 47 | 14 | 18 | 5 | 16 | 1 | 45 | 5 | 229 | 1 | 7.23 | 2.57 | 2.81 | 0.80 | 19.7 | 7.0 | 1.13 | .259 | 2.89 | 56 | 3.26 | 82 | 7.55 | 4.5 |
| 4 | | M. Schooler | 1991 | SEA | 34 | 3 | 3 | .500 | 0 | 3.67 | 31 | 0 | 0 | 7 | 34.1 | 25 | 14 | 14 | 2 | 10 | 0 | 23 | 0 | 138 | 2 | 8.13 | 2.62 | 3.10 | 0.52 | 22.5 | 7.2 | 1.02 | .242 | 3.67 | 89 | 2.68 | 66 | 6.55 | 5.2 |
| 5 | | M. Schooler | 1992 | SEA | 53 | 2 | 7 | .222 | 0 | 4.70 | 33 | 0 | 0 | 13 | 51.2 | 55 | 27 | 29 | 7 | 24 | 1 | 36 | 6 | 232 | 0 | 5.75 | 4.18 | 1.38 | 1.22 | 14.2 | 10.3 | 1.53 | .287 | 5.05 | 119 | 4.71 | 120 | 9.58 | -4.5 |
| 6 |  | M. Schooler | 1993 |  TEX | 17 | 3 | 0 | 1.000 | 0 | 5.55 | 16 | 0 | 0 | 0 | 24.1 | 30 | 15 | 17 | 3 | 10 | 0 | 0 | 1 | 111 | 1 | 5.92 | 3.70 | 1.60 | 1.11 | 14.4 | 9.0 | 1.64 | .329 | 6.29 | 130 | 4.50 | 105 | 11.10 | -0.6 |
| Total | 260 | 15 | 29 | .341 | 0 | 3.49 | 248 | 0 | 0 | 98 | 291.2 | 283 | 113 | 126 | 23 | 103 | 5 | 197 | 19 | 1,253 | 14 | 7.65 | 3.18 | 2.41 | 0.71 | 19.8 | 8.2 | 1.32 | .297 | 3.89 | 86 | 3.23 | 81 | 8.73 | 24.6 |
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