Since July 17, 2026, Clarke Schmidt and Jorge Mateo are tied for the highest K/9, with 27.00 per nine innings.
| NAME | K/9 | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | C. Schmidt | 27.00 | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0.2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0.00 | 0.00 | 50.0 | 0.0 | 3.00 | 1.000 | 0.00 | 27.00 | ||
| 2 | | J. Mateo | 27.00 | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0.00 | 0.00 | 50.0 | 0.0 | 3.00 | 1.000 | 0.00 | 27.00 | ||
| 3 | | A. Cornielle | 18.00 | 1 | 0 | 0 | 0 | 18.00 | 2 | 0 | 0 | 0 | 1.0 | 3 | 2 | 2 | 1 | 1 | 0 | 1 | 0 | 7 | 0 | 9.00 | 2.00 | 9.00 | 28.6 | 14.3 | 4.00 | .667 | 18.00 | 27.00 | |
| 4 | | C. Barnes | 18.00 | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 4 | 0 | 9.00 | 2.00 | 0.00 | 50.0 | 25.0 | 1.00 | .000 | 0.00 | 0.00 | |
| 5 | | W. Go | 18.00 | 2 | 0 | 0 | 0 | 13.50 | 4 | 0 | 0 | 0 | 2.0 | 6 | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 13 | 0 | 4.50 | 4.00 | 4.50 | 30.8 | 7.7 | 3.50 | .714 | 13.50 | 27.00 | |
| 6 | | M. Leiter Jr. | 18.00 | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 6 | 0 | 9.00 | 2.00 | 0.00 | 33.3 | 16.7 | 2.00 | .500 | 0.00 | 9.00 | |
| 7 | | J. Rogers | 18.00 | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 6 | 0 | 9.00 | 2.00 | 0.00 | 33.3 | 16.7 | 2.00 | .500 | 0.00 | 9.00 | |
| 8 |  | M. Miller | 16.91 | 28 | 3 | 1 | .750 | 0 | 2.67 | 57 | 0 | 0 | 13 | 30.1 | 19 | 9 | 10 | 3 | 13 | 1 | 23 | 1 | 123 | 3 | 3.86 | 4.38 | 0.89 | 46.3 | 10.6 | 1.05 | .327 | 2.97 | 5.64 |
| 9 | | T. Gonsolin | 16.88 | 1 | 0 | 0 | 0 | 16.88 | 5 | 0 | 0 | 0 | 2.2 | 4 | 5 | 5 | 1 | 3 | 0 | 0 | 0 | 15 | 0 | 10.13 | 1.67 | 3.38 | 33.3 | 20.0 | 2.63 | .500 | 16.88 | 13.50 | |
| 10 | | F. Bautista | 16.20 | 2 | 0 | 0 | 0 | 16.20 | 3 | 0 | 0 | 0 | 1.2 | 4 | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 10 | 0 | 5.40 | 3.00 | 5.40 | 30.0 | 10.0 | 3.00 | .600 | 16.20 | 21.60 | |
| 11 |  | M. Meyer | 15.00 | 1 | 0 | 0 | 1 | 6.00 | 5 | 0 | 0 | 0 | 3.0 | 3 | 2 | 2 | 0 | 3 | 0 | 0 | 0 | 16 | 1 | 9.00 | 1.67 | 0.00 | 31.3 | 18.8 | 2.00 | .375 | 6.00 | 9.00 | |
| 12 |  | A. Muñoz | 14.87 | 24 | 2 | 2 | .500 | 0 | 4.30 | 38 | 0 | 0 | 12 | 23.0 | 17 | 11 | 12 | 5 | 9 | 0 | 20 | 0 | 92 | 1 | 3.52 | 4.22 | 1.96 | 41.3 | 9.8 | 1.13 | .300 | 4.70 | 6.65 |
| 13 | | E. Henriquez | 14.81 | 24 | 0 | 0 | 1 | 3.92 | 34 | 0 | 0 | 1 | 20.2 | 15 | 9 | 9 | 0 | 10 | 3 | 4 | 0 | 89 | 3 | 4.35 | 3.40 | 0.00 | 38.2 | 11.2 | 1.21 | .357 | 3.92 | 6.53 | |
| 14 | | J. Simpson | 14.54 | 4 | 0 | 0 | 0 | 10.38 | 7 | 0 | 0 | 0 | 4.1 | 7 | 5 | 5 | 2 | 2 | 1 | 0 | 0 | 23 | 0 | 4.15 | 3.50 | 4.15 | 30.4 | 8.7 | 2.08 | .455 | 10.38 | 14.54 | |
| 15 |  | G. Williams | 14.45 | 13 | 4 | 4 | .500 | 13 | 3.68 | 114 | 0 | 0 | 0 | 71.0 | 51 | 29 | 30 | 11 | 24 | 3 | 0 | 0 | 286 | 6 | 3.04 | 4.75 | 1.39 | 39.9 | 8.4 | 1.06 | .299 | 3.80 | 6.46 |
| 16 | | F. Aleman | 14.44 | 14 | 0 | 1 | .000 | 0 | 6.28 | 23 | 0 | 0 | 0 | 14.1 | 20 | 10 | 11 | 3 | 8 | 4 | 2 | 0 | 74 | 2 | 5.02 | 2.88 | 1.88 | 31.1 | 10.8 | 1.95 | .472 | 6.91 | 12.56 |
| 17 | | S. Bivens | 14.29 | 4 | 0 | 0 | 0 | 12.71 | 9 | 0 | 0 | 0 | 5.2 | 10 | 8 | 8 | 1 | 5 | 0 | 1 | 0 | 32 | 2 | 7.94 | 1.80 | 1.59 | 28.1 | 15.6 | 2.65 | .529 | 12.71 | 15.88 | |
| 18 | | D. Sommers | 14.26 | 26 | 2 | 4 | .333 | 0 | 3.03 | 47 | 0 | 0 | 0 | 29.2 | 24 | 10 | 14 | 3 | 8 | 2 | 2 | 1 | 121 | 0 | 2.43 | 5.88 | 0.91 | 38.8 | 6.6 | 1.08 | .344 | 4.25 | 7.28 |
| 19 | | M. Montgomery | 14.21 | 32 | 4 | 1 | .800 | 1 | 1.42 | 50 | 0 | 0 | 17 | 31.2 | 14 | 5 | 5 | 2 | 9 | 1 | 24 | 2 | 120 | 0 | 2.56 | 5.56 | 0.57 | 41.7 | 7.5 | 0.73 | .207 | 1.42 | 3.98 |
| 20 | | B. Little | 14.07 | 24 | 0 | 1 | .000 | 0 | 2.28 | 37 | 0 | 0 | 0 | 23.2 | 17 | 6 | 8 | 2 | 19 | 0 | 4 | 5 | 100 | 0 | 7.23 | 1.95 | 0.76 | 37.0 | 19.0 | 1.52 | .357 | 3.04 | 6.46 |
| 21 | | S. Natera Jr. | 14.04 | 16 | 0 | 2 | .000 | 0 | 3.24 | 26 | 0 | 0 | 2 | 16.2 | 14 | 6 | 6 | 0 | 5 | 1 | 6 | 0 | 69 | 1 | 2.70 | 5.20 | 0.00 | 37.7 | 7.2 | 1.14 | .378 | 3.24 | 7.56 |
| 22 | | D. Espino | 13.94 | 9 | 0 | 0 | 3 | 3.48 | 16 | 0 | 0 | 0 | 10.1 | 7 | 4 | 4 | 2 | 4 | 0 | 2 | 0 | 42 | 0 | 3.48 | 4.00 | 1.74 | 38.1 | 9.5 | 1.06 | .250 | 3.48 | 6.10 | |
| 23 | | J. Hoffman | 13.86 | 27 | 1 | 2 | .333 | 0 | 1.82 | 38 | 0 | 0 | 1 | 24.2 | 14 | 5 | 8 | 0 | 15 | 3 | 7 | 1 | 108 | 1 | 5.47 | 2.53 | 0.00 | 35.2 | 13.9 | 1.18 | .269 | 2.92 | 5.11 |
| 24 | | P. Fairbanks | 13.86 | 15 | 1 | 2 | .333 | 0 | 5.11 | 19 | 0 | 0 | 6 | 12.1 | 6 | 7 | 7 | 1 | 9 | 0 | 12 | 0 | 53 | 0 | 6.57 | 2.11 | 0.73 | 35.8 | 17.0 | 1.22 | .208 | 5.11 | 4.38 |
| 25 | | J. Hicks | 13.70 | 25 | 3 | 1 | .750 | 2 | 4.03 | 34 | 0 | 0 | 0 | 22.1 | 18 | 10 | 10 | 3 | 15 | 0 | 5 | 2 | 101 | 3 | 6.04 | 2.27 | 1.21 | 33.7 | 14.9 | 1.48 | .306 | 4.03 | 7.25 |
StatMuse has game-level data for K/9 going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Braves - y | 94 | 68 | .580 | |
 Phillies - w | 88 | 74 | .543 | 6.0 |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
74 | 88 | .457 | 20.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 103 | 59 | .636 | |
 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
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|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
 Yankees - w | 93 | 68 | .578 | 4.5 |
 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
| AL Central | W | L | PCT | GB |
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 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
 Astros - y | 81 | 81 | .500 | |
80 | 82 | .494 | 1.0 | |
76 | 86 | .469 | 5.0 | |
64 | 98 | .395 | 17.0 | |
62 | 100 | .383 | 19.0 |
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