Mudcat Grant had a record of 50-35 with an ERA of 3.35, 377 strikeouts and 1 save in 129 appearances for the Twins in his career.
| 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. Grant | 1964 |  MIN | 26 | 11 | 9 | .550 | 23 | 2.82 | 75 | 10 | 1 | 1 | 166.0 | 162 | 52 | 73 | 21 | 36 | 0 | 2 | 2 | 692 | 2 | 4.07 | 1.95 | 2.08 | 1.14 | 10.8 | 5.2 | 1.19 | .252 | 3.96 | 76 | 4.00 | 104 | 8.78 | -2.6 |
| 2 | | M. Grant | 1965 | MIN | 41 | 21 | 7 | .750 | 39 | 3.30 | 142 | 14 | 6 | 0 | 270.1 | 252 | 99 | 107 | 34 | 61 | 0 | 0 | 2 | 1,095 | 8 | 4.73 | 2.03 | 2.33 | 1.13 | 13.0 | 5.6 | 1.16 | .254 | 3.56 | 93 | 3.78 | 103 | 8.39 | -2.3 |
| 3 | | M. Grant | 1966 | MIN | 35 | 13 | 13 | .500 | 35 | 3.25 | 110 | 10 | 3 | 0 | 249.0 | 248 | 90 | 104 | 23 | 49 | 6 | 0 | 2 | 1,031 | 5 | 3.98 | 1.77 | 2.24 | 0.83 | 10.7 | 4.8 | 1.19 | .267 | 3.76 | 91 | 3.53 | 96 | 8.96 | 4.8 |
| 4 | | M. Grant | 1967 | MIN | 27 | 5 | 6 | .455 | 14 | 4.72 | 50 | 2 | 0 | 0 | 95.1 | 121 | 50 | 56 | 10 | 17 | 1 | 4 | 0 | 409 | 1 | 4.72 | 1.60 | 2.94 | 0.94 | 12.2 | 4.2 | 1.45 | .335 | 5.29 | 141 | 3.42 | 98 | 11.42 | 0.8 |
| Total | 129 | 50 | 35 | .588 | 111 | 3.35 | 377 | 36 | 10 | 1 | 780.2 | 783 | 291 | 340 | 88 | 163 | 7 | 6 | 6 | 3,227 | 16 | 4.35 | 1.88 | 2.31 | 1.01 | 11.7 | 5.1 | 1.21 | .268 | 3.92 | 94 | 3.70 | 100 | 9.03 | 0.8 |
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