Joe La Sorsa and Yunior Marte are tied for the best K/9 by a relief pitcher this season, with 27.00 per nine innings.
Interpreted as:
most strikeouts per 9 innings in MLB relievers minimum 30ip this regular season| NAME | K/9 | SEASON | TM | 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 |  | J. La Sorsa | 27.00 | 2026 | 1 | 0 | 0 | 0 | 27.00 | 1 | 0 | 0 | 0 | 0.1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 0.00 | 27.00 | 50.0 | 0.0 | 3.00 | 27.00 | 27.00 | ||||
| 2 | | Y. Marte | 27.00 | 2026 | 1 | 0 | 0 | 0 | 108.00 | 1 | 0 | 0 | 0 | 0.1 | 3 | 4 | 4 | 0 | 1 | 1 | 0 | 1 | 6 | 0 | 27.00 | 1.00 | 0.00 | 16.7 | 16.7 | 12.00 | 1.000 | 108.00 | 81.00 | ||
| 3 | | J. Buttó | 22.50 | 2026 | 3 | 0 | 0 | 0 | 22.50 | 5 | 0 | 0 | 0 | 2.0 | 6 | 5 | 5 | 2 | 4 | 0 | 1 | 0 | 16 | 0 | 18.00 | 1.25 | 9.00 | 31.3 | 25.0 | 5.00 | .800 | 22.50 | 27.00 | ||
| 4 | | D. Espino | 18.00 | 2026 | 6 | 0 | 0 | 0 | 4.50 | 12 | 0 | 0 | 0 | 6.0 | 5 | 3 | 3 | 1 | 4 | 0 | 2 | 0 | 27 | 0 | 6.00 | 3.00 | 1.50 | 44.4 | 14.8 | 1.50 | .400 | 4.50 | 7.50 | ||
| 5 | | C. Edwards Jr. | 16.50 | 2026 | 2 | 0 | 0 | 0 | 1.50 | 11 | 0 | 0 | 0 | 6.0 | 3 | 1 | 1 | 1 | 4 | 0 | 1 | 0 | 25 | 0 | 6.00 | 2.75 | 1.50 | 44.0 | 16.0 | 1.17 | .222 | 1.50 | 4.50 | ||
| 6 |  | M. Miller | 16.33 | 2026 | 55 | 4 | 2 | .667 | 0 | 1.26 | 104 | 0 | 0 | 32 | 57.1 | 28 | 8 | 10 | 2 | 20 | 2 | 47 | 1 | 219 | 5 | 3.14 | 5.20 | 0.31 | 47.5 | 9.1 | 0.84 | .286 | 1.57 | 4.40 | |
| 7 | | M. RodrÃguez | 15.43 | 2026 | 4 | 0 | 0 | 0 | 3.86 | 8 | 0 | 0 | 0 | 4.2 | 5 | 2 | 2 | 1 | 4 | 1 | 0 | 1 | 24 | 0 | 7.71 | 2.00 | 1.93 | 33.3 | 16.7 | 1.93 | .400 | 3.86 | 9.64 | ||
| 8 | | Y. Hiraldo | 15.26 | 2026 | 7 | 1 | 0 | 1.000 | 0 | 5.87 | 13 | 0 | 0 | 0 | 7.2 | 7 | 5 | 5 | 2 | 6 | 1 | 1 | 0 | 37 | 0 | 7.04 | 2.17 | 2.35 | 35.1 | 16.2 | 1.70 | .333 | 5.87 | 8.22 | |
| 9 | | L. Perales | 15.00 | 2026 | 2 | 0 | 0 | 0 | 21.00 | 5 | 0 | 0 | 0 | 3.0 | 8 | 7 | 7 | 1 | 4 | 0 | 0 | 0 | 21 | 1 | 12.00 | 1.25 | 3.00 | 23.8 | 19.0 | 4.00 | .636 | 21.00 | 24.00 | ||
| 10 | | B. Mautz | 15.00 | 2026 | 2 | 0 | 1 | .000 | 0 | 9.00 | 10 | 0 | 0 | 0 | 6.0 | 9 | 6 | 6 | 1 | 3 | 0 | 1 | 0 | 29 | 3 | 4.50 | 3.33 | 1.50 | 34.5 | 10.3 | 2.00 | .533 | 9.00 | 13.50 | |
| 11 | | E. Sabrowski | 14.87 | 2026 | 51 | 5 | 2 | .714 | 0 | 2.97 | 65 | 0 | 0 | 1 | 39.1 | 25 | 13 | 16 | 3 | 26 | 1 | 5 | 2 | 169 | 5 | 5.95 | 2.50 | 0.69 | 38.5 | 15.4 | 1.30 | .297 | 3.66 | 5.72 | |
| 12 |  | A. Muñoz | 14.48 | 2026 | 53 | 5 | 5 | .500 | 0 | 4.29 | 81 | 0 | 0 | 24 | 50.1 | 40 | 24 | 26 | 7 | 20 | 1 | 41 | 0 | 211 | 2 | 3.58 | 4.05 | 1.25 | 38.4 | 9.5 | 1.19 | .324 | 4.65 | 7.15 | |
| 13 | | D. Sommers | 14.42 | 2026 | 34 | 1 | 3 | .250 | 0 | 3.99 | 47 | 0 | 0 | 0 | 29.1 | 26 | 13 | 15 | 2 | 12 | 2 | 2 | 2 | 125 | 1 | 3.68 | 3.92 | 0.61 | 37.6 | 9.6 | 1.30 | .387 | 4.60 | 7.98 | |
| 14 | | S. Bivens | 14.40 | 2026 | 4 | 0 | 0 | 0 | 14.40 | 8 | 0 | 0 | 0 | 5.0 | 11 | 8 | 10 | 1 | 4 | 0 | 1 | 0 | 30 | 2 | 7.20 | 2.00 | 1.80 | 26.7 | 13.3 | 3.00 | .588 | 18.00 | 19.80 | ||
| 15 | | B. Little | 14.12 | 2026 | 23 | 0 | 3 | .000 | 0 | 7.89 | 34 | 0 | 0 | 0 | 21.2 | 26 | 19 | 21 | 5 | 20 | 0 | 3 | 5 | 104 | 0 | 8.31 | 1.70 | 2.08 | 32.7 | 19.2 | 2.12 | .467 | 8.72 | 10.80 | |
| 16 | | M. Montgomery | 14.11 | 2026 | 53 | 6 | 3 | .667 | 0 | 3.31 | 81 | 0 | 0 | 7 | 51.2 | 36 | 19 | 20 | 5 | 19 | 1 | 19 | 2 | 211 | 2 | 3.31 | 4.26 | 0.87 | 38.4 | 9.0 | 1.06 | .295 | 3.48 | 6.27 | |
| 17 | | S. Natera Jr. | 13.99 | 2026 | 24 | 1 | 1 | .500 | 0 | 2.60 | 43 | 0 | 0 | 3 | 27.2 | 16 | 8 | 8 | 1 | 11 | 1 | 5 | 0 | 110 | 3 | 3.58 | 3.91 | 0.33 | 39.1 | 10.0 | 0.98 | .278 | 2.60 | 5.20 | |
| 18 | | J. Hoffman | 13.89 | 2026 | TOT | 62 | 6 | 8 | .429 | 0 | 3.90 | 89 | 0 | 0 | 5 | 57.2 | 56 | 25 | 32 | 4 | 25 | 6 | 22 | 4 | 260 | 4 | 3.90 | 3.56 | 0.62 | 34.2 | 9.6 | 1.40 | .382 | 4.99 | 8.74 |
| 19 |  | L. Gil | 13.50 | 2026 | 1 | 0 | 0 | 0 | 4.50 | 3 | 0 | 0 | 0 | 2.0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 10 | 0 | 4.50 | 3.00 | 0.00 | 30.0 | 10.0 | 1.00 | .200 | 4.50 | 4.50 | ||
| 20 | | R. Feltner | 13.50 | 2026 | 1 | 0 | 1 | .000 | 0 | 0.00 | 6 | 0 | 0 | 0 | 4.0 | 5 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 19 | 0 | 4.50 | 3.00 | 0.00 | 31.6 | 10.5 | 1.75 | .455 | 2.25 | 11.25 | |
| 21 | | J. Boyle | 13.50 | 2026 | 1 | 0 | 0 | 0 | 5.40 | 5 | 0 | 0 | 0 | 3.1 | 2 | 2 | 2 | 0 | 3 | 0 | 1 | 0 | 15 | 0 | 8.10 | 1.67 | 0.00 | 33.3 | 20.0 | 1.50 | .286 | 5.40 | 5.40 | ||
| 22 | | B. Hanner | 13.50 | 2026 | 3 | 0 | 0 | 0 | 6.75 | 6 | 0 | 0 | 0 | 4.0 | 6 | 3 | 3 | 2 | 0 | 0 | 2 | 0 | 18 | 0 | 0.00 | 4.50 | 33.3 | 0.0 | 1.50 | .400 | 6.75 | 13.50 | |||
| 23 | | S. Cecconi | 13.50 | 2026 | 2 | 0 | 0 | 0 | 16.88 | 4 | 0 | 0 | 0 | 2.2 | 5 | 5 | 5 | 1 | 2 | 0 | 0 | 0 | 15 | 1 | 6.75 | 2.00 | 3.38 | 26.7 | 13.3 | 2.63 | .500 | 16.88 | 16.88 | ||
| 24 |  | W. Warren | 13.50 | 2026 | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0.2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 13.50 | 1.00 | 0.00 | 25.0 | 25.0 | 3.00 | .500 | 0.00 | 13.50 | ||
| 25 | | M. Ullola | 13.50 | 2026 | 4 | 0 | 0 | 0 | 4.50 | 9 | 0 | 0 | 0 | 6.0 | 4 | 3 | 3 | 2 | 1 | 0 | 3 | 0 | 23 | 0 | 1.50 | 9.00 | 3.00 | 39.1 | 4.3 | 0.83 | .182 | 4.50 | 6.00 | ||
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HOUStatMuse 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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