Nolan Ryan had a 51-39 record with an ERA of 3.43 and 939 strikeouts in 129 appearances for the Rangers 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 |  | N. Ryan | 1989 |  TEX | 32 | 16 | 10 | .615 | 32 | 3.20 | 301 | 6 | 2 | 0 | 239.1 | 162 | 85 | 96 | 17 | 98 | 9 | 0 | 3 | 988 | 19 | 11.32 | 3.69 | 3.07 | 0.64 | 30.5 | 9.9 | 1.09 | .258 | 3.61 | 82 | 2.50 | 65 | 6.09 | 35.1 |
| 2 | | N. Ryan | 1990 | TEX | 30 | 13 | 9 | .591 | 30 | 3.44 | 232 | 5 | 2 | 0 | 204.0 | 137 | 78 | 86 | 18 | 74 | 7 | 0 | 2 | 818 | 9 | 10.24 | 3.26 | 3.14 | 0.79 | 28.4 | 9.0 | 1.03 | .244 | 3.79 | 88 | 2.86 | 73 | 6.04 | 23.7 |
| 3 | | N. Ryan | 1991 | TEX | 27 | 12 | 6 | .667 | 27 | 2.91 | 203 | 2 | 2 | 0 | 173.0 | 102 | 56 | 58 | 12 | 72 | 5 | 0 | 0 | 683 | 8 | 10.56 | 3.75 | 2.82 | 0.62 | 29.7 | 10.5 | 1.01 | .230 | 3.02 | 72 | 2.74 | 68 | 5.31 | 24.4 |
| 4 | | N. Ryan | 1992 | TEX | 27 | 5 | 9 | .357 | 27 | 3.72 | 157 | 2 | 0 | 0 | 157.1 | 138 | 65 | 75 | 9 | 69 | 12 | 0 | 0 | 675 | 9 | 8.98 | 3.95 | 2.28 | 0.51 | 23.3 | 10.2 | 1.32 | .301 | 4.29 | 95 | 3.07 | 79 | 7.89 | 14.5 |
| 5 | | N. Ryan | 1993 | TEX | 13 | 5 | 5 | .500 | 13 | 4.88 | 46 | 0 | 0 | 0 | 66.1 | 54 | 36 | 47 | 5 | 40 | 1 | 0 | 0 | 291 | 3 | 6.24 | 5.43 | 1.15 | 0.68 | 15.8 | 13.7 | 1.42 | .246 | 6.38 | 114 | 4.42 | 104 | 7.33 | -1.2 |
| Total | 129 | 51 | 39 | .567 | 129 | 3.43 | 939 | 15 | 6 | 0 | 840.0 | 593 | 320 | 362 | 61 | 353 | 34 | 0 | 5 | 3,455 | 48 | 10.06 | 3.78 | 2.66 | 0.65 | 27.2 | 10.2 | 1.13 | .257 | 3.88 | 86 | 2.90 | 73 | 6.35 | 96.6 |
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