Between July 13, 2025 and August 17, 2025, Steven Okert has the best K/9 by an Astros starting pitcher, with 10.80 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 |  | S. Okert | 10.80 | 1 | 0 | 0 | 1 | 5.40 | 2 | 0 | 0 | 0 | 1.2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0.00 | 0.00 | 33.3 | 0.0 | 0.60 | .250 | 5.40 | 5.40 | ||
| 2 | | C. Gordon | 9.82 | 3 | 1 | 2 | .333 | 3 | 7.36 | 16 | 0 | 0 | 0 | 14.2 | 20 | 12 | 13 | 6 | 3 | 1 | 0 | 0 | 68 | 1 | 1.84 | 5.33 | 3.68 | 23.5 | 4.4 | 1.57 | .333 | 7.98 | 12.27 |
| 3 | | R. Gusto | 9.64 | 2 | 1 | 1 | .500 | 2 | 8.68 | 10 | 0 | 0 | 0 | 9.1 | 12 | 9 | 9 | 2 | 2 | 1 | 0 | 0 | 42 | 0 | 1.93 | 5.00 | 1.93 | 23.8 | 4.8 | 1.50 | .370 | 8.68 | 11.57 |
| 4 |  | H. Brown | 9.55 | 6 | 1 | 2 | .333 | 6 | 3.27 | 35 | 0 | 0 | 0 | 33.0 | 29 | 12 | 12 | 1 | 11 | 2 | 0 | 0 | 139 | 0 | 3.00 | 3.18 | 0.27 | 25.2 | 7.9 | 1.21 | .311 | 3.27 | 7.91 |
| 5 | | S. Arrighetti | 8.31 | 2 | 0 | 2 | .000 | 2 | 7.27 | 8 | 0 | 0 | 0 | 8.2 | 12 | 7 | 7 | 1 | 6 | 1 | 0 | 0 | 45 | 0 | 6.23 | 1.33 | 1.04 | 17.8 | 13.3 | 2.08 | .379 | 7.27 | 12.46 |
| 6 | | B. Walter | 8.31 | 2 | 0 | 1 | .000 | 2 | 1.38 | 12 | 0 | 0 | 0 | 13.0 | 7 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 47 | 0 | 1.38 | 6.00 | 1.38 | 25.5 | 4.3 | 0.69 | .161 | 1.38 | 4.85 |
| 7 | | C. Javier | 7.88 | 2 | 1 | 1 | .500 | 2 | 3.38 | 7 | 0 | 0 | 0 | 8.0 | 6 | 3 | 3 | 1 | 2 | 1 | 0 | 0 | 32 | 0 | 2.25 | 3.50 | 1.13 | 21.9 | 6.3 | 1.00 | .238 | 3.38 | 6.75 |
| 8 | | J. Alexander | 7.53 | 5 | 2 | 1 | .667 | 5 | 2.83 | 24 | 0 | 0 | 0 | 28.2 | 23 | 9 | 9 | 3 | 8 | 1 | 0 | 0 | 116 | 1 | 2.51 | 3.00 | 0.94 | 20.7 | 6.9 | 1.08 | .250 | 2.83 | 7.22 |
| 9 |  | F. Valdez | 7.47 | 5 | 1 | 2 | .333 | 5 | 4.02 | 26 | 0 | 0 | 0 | 31.1 | 34 | 14 | 16 | 1 | 9 | 1 | 0 | 0 | 134 | 3 | 2.59 | 2.89 | 0.29 | 19.4 | 6.7 | 1.37 | .340 | 4.60 | 9.77 |
| 10 | | L. McCullers Jr. | 3.38 | 1 | 0 | 0 | 1 | 13.50 | 1 | 0 | 0 | 0 | 2.2 | 5 | 4 | 4 | 0 | 3 | 1 | 0 | 0 | 16 | 0 | 10.13 | 0.33 | 0.00 | 6.3 | 18.8 | 3.00 | .455 | 13.50 | 16.88 |
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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