Jacob Misiorowski has the best career K/9 by a starting pitcher when starting 15+ games, with 12.69 per nine innings.
| NAME | K/9 | GS | G | W | L | W% | 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 |  | J. Misiorowski | 12.69 | 44 | 44 | 21 | 8 | .724 | 2.49 | 336 | 1 | 1 | 0 | 238.1 | 144 | 66 | 75 | 22 | 72 | 12 | 0 | 0 | 925 | 7 | 2.72 | 4.67 | 0.83 | 36.3 | 7.8 | 0.91 | .253 | 2.83 | 5.44 |
| 2 |  | C. Green | 12.33 | 24 | 24 | 2 | 5 | .286 | 5.31 | 79 | 0 | 0 | 0 | 57.2 | 63 | 34 | 37 | 16 | 21 | 3 | 0 | 0 | 255 | 2 | 3.28 | 3.76 | 2.50 | 31.0 | 8.2 | 1.46 | .346 | 5.77 | 9.83 |
| 3 |  | S. Strider | 12.23 | 85 | 85 | 40 | 25 | .615 | 3.95 | 635 | 0 | 0 | 0 | 467.1 | 385 | 205 | 215 | 60 | 168 | 21 | 0 | 2 | 1,942 | 14 | 3.24 | 3.78 | 1.16 | 32.7 | 8.7 | 1.18 | .307 | 4.14 | 7.41 |
| 4 |  | G. Crochet | 11.82 | 70 | 70 | 27 | 20 | .574 | 3.26 | 501 | 1 | 1 | 0 | 381.1 | 321 | 138 | 146 | 47 | 90 | 12 | 0 | 0 | 1,547 | 12 | 2.12 | 5.57 | 1.11 | 32.4 | 5.8 | 1.08 | .305 | 3.45 | 7.58 |
| 5 | | I. Seymour | 11.57 | 21 | 21 | 7 | 7 | .500 | 4.12 | 132 | 0 | 0 | 0 | 102.2 | 93 | 47 | 54 | 21 | 22 | 3 | 0 | 0 | 427 | 0 | 1.93 | 6.00 | 1.84 | 30.9 | 5.2 | 1.12 | .289 | 4.73 | 8.15 |
| 6 | | D. Lamet | 11.55 | 60 | 60 | 14 | 20 | .412 | 4.13 | 386 | 0 | 0 | 0 | 300.2 | 246 | 138 | 151 | 43 | 123 | 17 | 0 | 2 | 1,271 | 20 | 3.68 | 3.14 | 1.29 | 30.4 | 9.7 | 1.23 | .289 | 4.52 | 7.36 |
| 7 |  | C. Burns | 11.54 | 37 | 37 | 15 | 6 | .714 | 3.29 | 242 | 0 | 0 | 0 | 188.2 | 157 | 69 | 77 | 21 | 69 | 1 | 0 | 0 | 781 | 5 | 3.29 | 3.51 | 1.00 | 31.0 | 8.8 | 1.20 | .304 | 3.67 | 7.49 |
| 8 | | T. Glasnow | 11.45 | 141 | 141 | 47 | 36 | .566 | 3.67 | 967 | 0 | 0 | 0 | 760.0 | 564 | 310 | 329 | 96 | 269 | 13 | 0 | 4 | 3,077 | 58 | 3.19 | 3.59 | 1.14 | 31.4 | 8.7 | 1.10 | .270 | 3.90 | 6.68 |
| 9 | | J. Fernandez | 11.25 | 76 | 76 | 38 | 17 | .691 | 2.58 | 589 | 0 | 0 | 0 | 471.1 | 357 | 135 | 150 | 31 | 140 | 13 | 0 | 12 | 1,888 | 16 | 2.67 | 4.21 | 0.59 | 31.2 | 7.4 | 1.05 | .292 | 2.86 | 6.82 |
| 10 |  | S. Ohtani | 11.21 | 114 | 114 | 47 | 22 | .681 | 2.83 | 765 | 1 | 1 | 0 | 614.1 | 443 | 193 | 205 | 60 | 208 | 30 | 0 | 2 | 2,479 | 52 | 3.05 | 3.68 | 0.88 | 30.9 | 8.4 | 1.06 | .270 | 3.00 | 6.49 |
| 11 |  | B. Snell | 11.21 | 231 | 231 | 85 | 63 | .574 | 3.10 | 1,495 | 1 | 1 | 0 | 1200.2 | 922 | 414 | 450 | 111 | 537 | 12 | 0 | 6 | 4,964 | 87 | 4.03 | 2.78 | 0.83 | 30.1 | 10.8 | 1.22 | .289 | 3.37 | 6.91 |
| 12 |  | H. Greene | 11.18 | 96 | 96 | 27 | 31 | .466 | 3.82 | 650 | 2 | 2 | 0 | 523.1 | 415 | 222 | 233 | 74 | 188 | 39 | 0 | 0 | 2,181 | 22 | 3.23 | 3.46 | 1.27 | 29.8 | 8.6 | 1.15 | .277 | 4.01 | 7.14 |
| 13 |  | D. Cease | 11.17 | 217 | 217 | 76 | 64 | .543 | 3.67 | 1,470 | 4 | 4 | 0 | 1184.1 | 962 | 483 | 536 | 132 | 508 | 38 | 0 | 9 | 4,989 | 60 | 3.86 | 2.89 | 1.00 | 29.5 | 10.2 | 1.24 | .292 | 4.07 | 7.31 |
| 14 |  | C. Sale | 11.15 | 339 | 339 | 154 | 94 | .621 | 2.97 | 2,658 | 17 | 4 | 0 | 2145.2 | 1,749 | 708 | 765 | 215 | 478 | 143 | 0 | 12 | 8,629 | 45 | 2.00 | 5.56 | 0.90 | 30.8 | 5.5 | 1.04 | .299 | 3.21 | 7.34 |
| 15 | | R. Stanek | 11.06 | 56 | 56 | 0 | 3 | .000 | 2.71 | 102 | 0 | 0 | 0 | 83.0 | 57 | 25 | 27 | 9 | 31 | 1 | 0 | 0 | 331 | 3 | 3.36 | 3.29 | 0.98 | 30.8 | 9.4 | 1.06 | .255 | 2.93 | 6.18 |
| 16 | | T. Imai | 11.05 | 15 | 15 | 6 | 4 | .600 | 5.83 | 72 | 0 | 0 | 0 | 58.2 | 50 | 38 | 38 | 9 | 40 | 4 | 0 | 0 | 265 | 1 | 6.14 | 1.80 | 1.38 | 27.2 | 15.1 | 1.53 | .293 | 5.83 | 7.67 |
| 17 |  | C. Ragans | 10.98 | 74 | 74 | 20 | 21 | .488 | 3.62 | 482 | 1 | 0 | 0 | 395.0 | 319 | 159 | 171 | 41 | 153 | 9 | 0 | 1 | 1,630 | 20 | 3.49 | 3.15 | 0.93 | 29.6 | 9.4 | 1.19 | .294 | 3.90 | 7.27 |
| 18 |  | C. Schlittler | 10.90 | 47 | 47 | 18 | 9 | .667 | 2.23 | 323 | 0 | 0 | 0 | 266.2 | 187 | 66 | 76 | 24 | 80 | 11 | 0 | 0 | 1,065 | 3 | 2.70 | 4.04 | 0.81 | 30.3 | 7.5 | 1.00 | .260 | 2.57 | 6.31 |
| 19 |  | J. deGrom | 10.85 | 279 | 279 | 107 | 76 | .585 | 2.73 | 2,052 | 4 | 2 | 0 | 1702.1 | 1,312 | 516 | 553 | 166 | 391 | 27 | 0 | 16 | 6,713 | 35 | 2.07 | 5.25 | 0.88 | 30.6 | 5.8 | 1.00 | .281 | 2.92 | 6.94 |
| 20 |  | P. Skenes | 10.65 | 87 | 87 | 31 | 24 | .564 | 2.62 | 586 | 1 | 0 | 0 | 495.0 | 376 | 144 | 158 | 41 | 123 | 23 | 0 | 0 | 1,959 | 6 | 2.24 | 4.76 | 0.75 | 29.9 | 6.3 | 1.01 | .282 | 2.87 | 6.84 |
| 21 | | S. Armstrong | 10.60 | 18 | 18 | 0 | 3 | .000 | 1.51 | 42 | 0 | 0 | 0 | 35.2 | 27 | 6 | 8 | 2 | 8 | 0 | 0 | 0 | 138 | 0 | 2.02 | 5.25 | 0.50 | 30.4 | 5.8 | 0.98 | .291 | 2.02 | 6.81 |
| 22 |  | R. Johnson | 10.57 | 603 | 603 | 301 | 166 | .645 | 3.30 | 4,818 | 100 | 37 | 0 | 4103.0 | 3,320 | 1,504 | 1,692 | 408 | 1,491 | 188 | 0 | 37 | 16,937 | 109 | 3.27 | 3.23 | 0.89 | 28.4 | 8.8 | 1.17 | .290 | 3.71 | 7.28 |
| 23 |  | S. Strasburg | 10.55 | 247 | 247 | 113 | 62 | .646 | 3.24 | 1,723 | 2 | 2 | 0 | 1470.0 | 1,217 | 530 | 582 | 149 | 394 | 53 | 0 | 20 | 5,962 | 44 | 2.41 | 4.37 | 0.91 | 28.9 | 6.6 | 1.10 | .293 | 3.56 | 7.45 |
| 24 | | DJ Herz | 10.54 | 21 | 21 | 4 | 10 | .286 | 4.61 | 112 | 0 | 0 | 0 | 95.2 | 87 | 49 | 53 | 14 | 39 | 3 | 0 | 0 | 417 | 7 | 3.67 | 2.87 | 1.32 | 26.9 | 9.4 | 1.32 | .293 | 4.99 | 8.18 |
| 25 | | A. Kittredge | 10.52 | 15 | 15 | 0 | 1 | .000 | 5.26 | 30 | 0 | 0 | 0 | 25.2 | 30 | 15 | 17 | 6 | 7 | 0 | 0 | 0 | 113 | 0 | 2.45 | 4.29 | 2.10 | 26.5 | 6.2 | 1.44 | .343 | 5.96 | 10.52 |
StatMuse has game-level data for K/9 and starts going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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MLB 2026 Standings
| 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 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
Marlins
Nationals
Mets
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 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 |
 Guardians - y | 85 | 77 | .525 | |
 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 |
Orioles
Blue Jays
Twins
Tigers
Royals
Rangers
Mariners
Athletics
Angels