Between September 15, 1976 and September 15, 2026, Randy Johnson has struck out the most hitters in a season, with 372 strikeouts in 2001.
- Regular season
| NAME | SO | SEASON | TM | G | W | L | W% | GS | ERA | 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 | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | R. Johnson | 372 | 2001 | 35 | 21 | 6 | .778 | 34 | 2.49 | 3 | 2 | 0 | 249.2 | 181 | 69 | 74 | 19 | 71 | 18 | 1 | 2 | 994 | 8 | 13.41 | 2.56 | 5.24 | 0.68 | 37.4 | 7.1 | 1.01 | .315 | 2.67 | 6.52 | |
| 2 | | R. Johnson | 364 | 1999 | 35 | 17 | 9 | .654 | 35 | 2.48 | 12 | 2 | 0 | 271.2 | 207 | 75 | 86 | 30 | 70 | 9 | 0 | 3 | 1,079 | 4 | 12.06 | 2.32 | 5.20 | 0.99 | 33.7 | 6.5 | 1.02 | .292 | 2.85 | 6.86 | |
| 3 | | R. Johnson | 347 | 2000 | 35 | 19 | 7 | .731 | 35 | 2.64 | 8 | 3 | 0 | 248.2 | 202 | 73 | 89 | 23 | 76 | 6 | 0 | 1 | 1,001 | 5 | 12.56 | 2.75 | 4.57 | 0.83 | 34.7 | 7.6 | 1.12 | .326 | 3.22 | 7.31 | |
| 4 |  | N. Ryan | 341 | 1977 | 37 | 19 | 16 | .543 | 37 | 2.77 | 22 | 4 | 0 | 299.0 | 198 | 92 | 110 | 12 | 204 | 9 | 0 | 7 | 1,272 | 21 | 10.26 | 6.14 | 1.67 | 0.36 | 26.8 | 16.0 | 1.34 | .263 | 3.31 | 5.96 | |
| 5 | | R. Johnson | 334 | 2002 | 35 | 24 | 5 | .828 | 35 | 2.32 | 8 | 4 | 0 | 260.0 | 197 | 67 | 78 | 26 | 71 | 13 | 0 | 1 | 1,035 | 3 | 11.56 | 2.46 | 4.70 | 0.90 | 32.3 | 6.9 | 1.03 | .289 | 2.70 | 6.82 | |
| 6 |  | R. Johnson | 329 | 1998 | TOT | 34 | 19 | 11 | .633 | 34 | 3.28 | 10 | 6 | 0 | 244.1 | 203 | 89 | 102 | 23 | 86 | 14 | 0 | 1 | 1,014 | 7 | 12.12 | 3.17 | 3.83 | 0.85 | 32.4 | 8.5 | 1.18 | .320 | 3.76 | 7.48 |
| 7 |  | G. Cole | 326 | 2019 | 33 | 20 | 5 | .800 | 33 | 2.50 | 0 | 0 | 0 | 212.1 | 142 | 59 | 66 | 29 | 48 | 3 | 0 | 0 | 817 | 4 | 13.82 | 2.03 | 6.79 | 1.23 | 39.9 | 5.9 | 0.89 | .275 | 2.80 | 6.02 | |
| 8 |  | C. Schilling | 319 | 1997 | 35 | 17 | 11 | .607 | 35 | 2.97 | 7 | 2 | 0 | 254.1 | 208 | 84 | 96 | 25 | 58 | 5 | 0 | 3 | 1,009 | 5 | 11.29 | 2.05 | 5.50 | 0.88 | 31.6 | 5.7 | 1.05 | .304 | 3.40 | 7.36 | |
| 9 | | C. Schilling | 316 | 2002 | 36 | 23 | 7 | .767 | 35 | 3.23 | 5 | 1 | 0 | 259.1 | 218 | 93 | 95 | 29 | 33 | 3 | 0 | 1 | 1,017 | 6 | 10.97 | 1.15 | 9.58 | 1.01 | 31.1 | 3.2 | 0.97 | .297 | 3.30 | 7.57 | |
| 10 |  | P. Martinez | 313 | 1999 | 31 | 23 | 4 | .852 | 29 | 2.07 | 5 | 1 | 0 | 213.1 | 160 | 49 | 56 | 9 | 37 | 9 | 1 | 1 | 835 | 6 | 13.20 | 1.56 | 8.46 | 0.38 | 37.5 | 4.4 | 0.92 | .323 | 2.36 | 6.75 | |
| 11 | | J.R. Richard | 313 | 1979 | 38 | 18 | 13 | .581 | 38 | 2.71 | 19 | 4 | 0 | 292.1 | 220 | 88 | 98 | 13 | 98 | 3 | 0 | 5 | 1,175 | 19 | 9.64 | 3.02 | 3.19 | 0.40 | 26.6 | 8.3 | 1.09 | .277 | 3.02 | 6.77 | |
| 12 |  | C. Sale | 308 | 2017 | 32 | 17 | 8 | .680 | 32 | 2.90 | 1 | 0 | 0 | 214.1 | 165 | 69 | 73 | 24 | 43 | 8 | 0 | 0 | 851 | 3 | 12.93 | 1.81 | 7.16 | 1.01 | 36.2 | 5.1 | 0.97 | .301 | 3.07 | 6.93 | |
| 13 | | R. Johnson | 308 | 1993 | 35 | 19 | 8 | .704 | 34 | 3.24 | 10 | 3 | 1 | 255.1 | 185 | 92 | 97 | 22 | 99 | 16 | 1 | 1 | 1,043 | 8 | 10.86 | 3.49 | 3.11 | 0.78 | 29.5 | 9.5 | 1.11 | .273 | 3.42 | 6.52 | |
| 14 | | M. Scott | 306 | 1986 | 37 | 18 | 10 | .643 | 37 | 2.22 | 7 | 5 | 0 | 275.1 | 182 | 68 | 73 | 17 | 72 | 2 | 0 | 6 | 1,065 | 3 | 10.00 | 2.35 | 4.25 | 0.56 | 28.7 | 6.8 | 0.92 | .247 | 2.39 | 5.95 | |
| 15 |  | P. Martinez | 305 | 1997 | 31 | 17 | 8 | .680 | 31 | 1.90 | 13 | 4 | 0 | 241.1 | 158 | 51 | 65 | 16 | 67 | 9 | 0 | 5 | 947 | 3 | 11.37 | 2.50 | 4.55 | 0.60 | 32.2 | 7.1 | 0.93 | .258 | 2.42 | 5.89 | |
| 16 | | J.R. Richard | 303 | 1978 | 36 | 18 | 11 | .621 | 36 | 3.11 | 16 | 3 | 0 | 275.1 | 192 | 95 | 104 | 12 | 141 | 2 | 0 | 4 | 1,139 | 16 | 9.90 | 4.61 | 2.15 | 0.39 | 26.6 | 12.4 | 1.21 | .264 | 3.40 | 6.28 | |
| 17 |  | C. Kershaw | 301 | 2015 | 33 | 16 | 7 | .696 | 33 | 2.13 | 4 | 3 | 0 | 232.2 | 163 | 55 | 62 | 15 | 42 | 5 | 0 | 1 | 890 | 9 | 11.64 | 1.62 | 7.17 | 0.58 | 33.8 | 4.7 | 0.88 | .281 | 2.40 | 6.31 | |
| 18 |  | N. Ryan | 301 | 1989 | 32 | 16 | 10 | .615 | 32 | 3.20 | 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 | 6.09 | |
| 19 |  | J. Verlander | 300 | 2019 | 34 | 21 | 6 | .778 | 34 | 2.58 | 2 | 1 | 0 | 223.0 | 137 | 64 | 66 | 36 | 42 | 6 | 0 | 0 | 847 | 4 | 12.11 | 1.70 | 7.14 | 1.45 | 35.4 | 5.0 | 0.80 | .218 | 2.66 | 5.53 | |
| 20 |  | M. Scherzer | 300 | 2018 | 33 | 18 | 7 | .720 | 33 | 2.53 | 2 | 1 | 0 | 220.2 | 150 | 62 | 66 | 23 | 51 | 12 | 0 | 4 | 866 | 4 | 12.24 | 2.08 | 5.88 | 0.94 | 34.6 | 5.9 | 0.91 | .265 | 2.69 | 6.12 | |
| 21 | | C. Schilling | 300 | 1998 | 35 | 15 | 14 | .517 | 35 | 3.25 | 15 | 2 | 0 | 268.2 | 236 | 97 | 101 | 23 | 61 | 6 | 0 | 3 | 1,089 | 12 | 10.05 | 2.04 | 4.92 | 0.77 | 27.5 | 5.6 | 1.11 | .305 | 3.38 | 7.91 | |
| 22 | | R. Johnson | 294 | 1995 | 30 | 18 | 2 | .900 | 30 | 2.48 | 6 | 3 | 0 | 214.1 | 159 | 59 | 65 | 12 | 65 | 6 | 0 | 1 | 866 | 5 | 12.35 | 2.73 | 4.52 | 0.50 | 33.9 | 7.5 | 1.05 | .301 | 2.73 | 6.68 | |
| 23 | | C. Schilling | 293 | 2001 | 35 | 22 | 6 | .786 | 35 | 2.98 | 6 | 1 | 0 | 256.2 | 237 | 85 | 86 | 37 | 39 | 1 | 0 | 0 | 1,021 | 4 | 10.27 | 1.37 | 7.51 | 1.30 | 28.7 | 3.8 | 1.08 | .307 | 3.02 | 8.31 | |
| 24 |  | R. Clemens | 292 | 1997 | 34 | 21 | 7 | .750 | 34 | 2.05 | 9 | 3 | 0 | 264.0 | 204 | 60 | 65 | 9 | 68 | 12 | 0 | 1 | 1,044 | 4 | 9.95 | 2.32 | 4.29 | 0.31 | 28.0 | 6.5 | 1.03 | .294 | 2.22 | 6.95 | |
| 25 | | R. Johnson | 291 | 1997 | 30 | 20 | 4 | .833 | 29 | 2.28 | 5 | 2 | 0 | 213.0 | 147 | 54 | 60 | 20 | 77 | 10 | 0 | 2 | 850 | 4 | 12.30 | 3.25 | 3.78 | 0.85 | 34.2 | 9.1 | 1.05 | .281 | 2.54 | 6.21 | |
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TORStatMuse has game-level data for strikeouts going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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