Josh Hader has the lowest WHIP by a relief pitcher with 15.0+ innings pitched this season, with a WHIP of 0.65.
- 2026 season
- Regular season
| NAME | WHIP | IP | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Hader | 0.65 | 41.1 | 2026 | 42 | 4 | 1 | .800 | 0 | 0.87 | 54 | 0 | 0 | 25 | 16 | 4 | 4 | 1 | 11 | 0 | 34 | 0 | 151 | 0 | 11.76 | 2.40 | 4.91 | 0.22 | 35.8 | 7.3 | .176 | 0.87 | 3.48 | |
| 2 |  | B. Garcia | 0.77 | 44.1 | 2026 | 52 | 0 | 1 | .000 | 0 | 2.03 | 54 | 0 | 0 | 5 | 24 | 10 | 11 | 2 | 10 | 5 | 15 | 1 | 167 | 1 | 10.96 | 2.03 | 5.40 | 0.41 | 32.3 | 6.0 | .229 | 2.23 | 4.87 | |
| 3 | | H. Smith | 0.80 | 20.0 | 2026 | 12 | 3 | 1 | .750 | 0 | 0.45 | 29 | 0 | 0 | 0 | 6 | 1 | 2 | 1 | 10 | 0 | 1 | 0 | 75 | 2 | 13.05 | 4.50 | 2.90 | 0.45 | 38.7 | 13.3 | .143 | 0.90 | 2.70 | |
| 4 | | D. Duarte | 0.80 | 28.2 | 2026 | 23 | 2 | 0 | 1.000 | 0 | 2.20 | 28 | 0 | 0 | 2 | 16 | 7 | 7 | 3 | 7 | 1 | 7 | 0 | 108 | 1 | 8.79 | 2.20 | 4.00 | 0.94 | 25.9 | 6.5 | .188 | 2.20 | 5.02 | |
| 5 | | S. Okert | 0.82 | 67.0 | 2026 | 67 | 6 | 2 | .750 | 0 | 2.01 | 67 | 0 | 0 | 0 | 42 | 15 | 16 | 7 | 13 | 4 | 1 | 0 | 255 | 1 | 9.00 | 1.75 | 5.15 | 0.94 | 26.3 | 5.1 | .213 | 2.15 | 5.64 | |
| 6 | | G. Whitlock | 0.83 | 49.2 | 2026 | 51 | 7 | 1 | .875 | 0 | 1.81 | 58 | 0 | 0 | 3 | 34 | 10 | 12 | 3 | 7 | 0 | 9 | 0 | 186 | 2 | 10.51 | 1.27 | 8.29 | 0.54 | 31.2 | 3.8 | .263 | 2.17 | 6.16 | |
| 7 | | M. Brash | 0.84 | 16.2 | 2026 | 20 | 3 | 0 | 1.000 | 0 | 0.54 | 15 | 0 | 0 | 0 | 8 | 1 | 2 | 0 | 6 | 3 | 1 | 1 | 64 | 1 | 8.10 | 3.24 | 2.50 | 0.00 | 23.4 | 9.4 | .200 | 1.08 | 4.32 | |
| 8 | | C. Booser | 0.84 | 35.2 | 2026 | 36 | 1 | 0 | 1.000 | 0 | 2.27 | 40 | 0 | 0 | 0 | 24 | 9 | 10 | 5 | 6 | 0 | 6 | 0 | 135 | 1 | 10.09 | 1.51 | 6.67 | 1.26 | 29.6 | 4.4 | .226 | 2.52 | 6.06 | |
| 9 |  | J. Latz | 0.84 | 61.2 | 2026 | 52 | 3 | 2 | .600 | 0 | 2.19 | 70 | 0 | 0 | 29 | 32 | 15 | 17 | 4 | 20 | 0 | 40 | 5 | 233 | 3 | 10.22 | 2.92 | 3.50 | 0.58 | 30.0 | 8.6 | .201 | 2.48 | 4.67 | |
| 10 |  | R. Suarez | 0.84 | 32.0 | 2026 | 31 | 4 | 0 | 1.000 | 0 | 0.56 | 26 | 0 | 0 | 4 | 21 | 2 | 2 | 1 | 6 | 0 | 6 | 0 | 121 | 1 | 7.31 | 1.69 | 4.33 | 0.28 | 21.5 | 5.0 | .227 | 0.56 | 5.91 | |
| 11 |  | M. Miller | 0.85 | 64.1 | 2026 | 61 | 5 | 2 | .714 | 0 | 1.12 | 119 | 0 | 0 | 37 | 32 | 8 | 11 | 2 | 23 | 2 | 53 | 1 | 246 | 5 | 16.65 | 3.22 | 5.17 | 0.28 | 48.4 | 9.3 | .300 | 1.54 | 4.48 | |
| 12 | | T. Clarke | 0.88 | 67.0 | 2026 | 65 | 2 | 3 | .400 | 0 | 2.55 | 41 | 0 | 0 | 0 | 48 | 19 | 22 | 6 | 11 | 3 | 9 | 1 | 256 | 1 | 5.51 | 1.48 | 3.73 | 0.81 | 16.0 | 4.3 | .215 | 2.96 | 6.45 | |
| 13 | | K. Kelly | 0.90 | 68.0 | 2026 | 65 | 6 | 4 | .600 | 0 | 2.51 | 54 | 0 | 0 | 4 | 50 | 19 | 22 | 6 | 11 | 3 | 13 | 3 | 257 | 1 | 7.15 | 1.46 | 4.91 | 0.79 | 21.0 | 4.3 | .240 | 2.91 | 6.62 | |
| 14 | | T. Megill | 0.90 | 55.2 | 2026 | 57 | 2 | 3 | .400 | 0 | 2.59 | 63 | 0 | 0 | 27 | 35 | 16 | 18 | 1 | 15 | 1 | 36 | 3 | 219 | 3 | 10.19 | 2.43 | 4.20 | 0.16 | 28.8 | 6.8 | .245 | 2.91 | 5.66 | |
| 15 |  | S. Burke | 0.90 | 30.0 | 2026 | 5 | 3 | 0 | 1.000 | 0 | 1.50 | 30 | 0 | 0 | 0 | 19 | 5 | 6 | 3 | 8 | 0 | 1 | 0 | 112 | 0 | 9.00 | 2.40 | 3.75 | 0.90 | 26.8 | 7.1 | .225 | 1.80 | 5.70 | |
| 16 | | T. Wells | 0.90 | 72.0 | 2026 | TOT | 57 | 5 | 2 | .714 | 0 | 2.38 | 72 | 0 | 0 | 6 | 47 | 19 | 23 | 8 | 18 | 2 | 19 | 1 | 277 | 2 | 9.00 | 2.25 | 4.00 | 1.00 | 26.0 | 6.5 | .220 | 2.88 | 5.88 |
| 17 |  | B. Baker | 0.91 | 58.1 | 2026 | 61 | 2 | 2 | .500 | 0 | 1.54 | 62 | 0 | 0 | 40 | 32 | 10 | 12 | 4 | 21 | 2 | 48 | 1 | 229 | 0 | 9.57 | 3.24 | 2.95 | 0.62 | 27.1 | 9.2 | .200 | 1.85 | 4.94 | |
| 18 | | J. Waguespack | 0.91 | 37.1 | 2026 | 29 | 1 | 2 | .333 | 0 | 2.41 | 24 | 0 | 0 | 0 | 19 | 10 | 11 | 6 | 15 | 1 | 9 | 0 | 146 | 2 | 5.79 | 3.62 | 1.60 | 1.45 | 16.4 | 10.3 | .130 | 2.65 | 4.58 | |
| 19 | | A. Santa | 0.91 | 15.1 | 2026 | 10 | 0 | 1 | .000 | 0 | 1.17 | 9 | 0 | 0 | 0 | 8 | 2 | 6 | 1 | 6 | 0 | 4 | 0 | 59 | 0 | 5.28 | 3.52 | 1.50 | 0.59 | 15.3 | 10.2 | .163 | 3.52 | 4.70 | |
| 20 | | D. Dodd | 0.93 | 45.1 | 2026 | 44 | 4 | 1 | .800 | 0 | 2.38 | 47 | 0 | 0 | 1 | 28 | 12 | 12 | 6 | 14 | 2 | 5 | 1 | 177 | 1 | 9.33 | 2.78 | 3.36 | 1.19 | 26.6 | 7.9 | .204 | 2.38 | 5.56 | |
| 21 | | S. Miles | 0.93 | 70.2 | 2026 | 39 | 6 | 0 | 1.000 | 0 | 1.66 | 71 | 0 | 0 | 2 | 48 | 13 | 15 | 3 | 18 | 1 | 9 | 1 | 274 | 1 | 9.04 | 2.29 | 3.94 | 0.38 | 25.9 | 6.6 | .249 | 1.91 | 6.11 | |
| 22 | | D. Lynch IV | 0.93 | 46.0 | 2026 | 46 | 4 | 2 | .667 | 0 | 1.96 | 35 | 0 | 0 | 1 | 31 | 10 | 13 | 2 | 12 | 2 | 2 | 0 | 183 | 1 | 6.85 | 2.35 | 2.92 | 0.39 | 19.1 | 6.6 | .220 | 2.54 | 6.07 | |
| 23 | | L. Weaver | 0.94 | 56.1 | 2026 | TOT | 55 | 2 | 1 | .667 | 0 | 2.56 | 59 | 0 | 0 | 1 | 38 | 16 | 17 | 4 | 15 | 3 | 6 | 1 | 222 | 0 | 9.43 | 2.40 | 3.93 | 0.64 | 26.6 | 6.8 | .241 | 2.72 | 6.07 |
| 24 | | R. Garcia | 0.94 | 63.2 | 2026 | 71 | 5 | 1 | .833 | 0 | 2.97 | 65 | 0 | 0 | 9 | 40 | 21 | 24 | 9 | 20 | 2 | 23 | 2 | 250 | 0 | 9.19 | 2.83 | 3.25 | 1.27 | 26.0 | 8.0 | .201 | 3.39 | 5.65 | |
| 25 | | D. Lee | 0.95 | 64.0 | 2026 | 68 | 6 | 1 | .857 | 0 | 3.09 | 75 | 0 | 0 | 0 | 45 | 22 | 24 | 3 | 16 | 0 | 2 | 1 | 250 | 0 | 10.55 | 2.25 | 4.69 | 0.42 | 30.0 | 6.4 | .269 | 3.38 | 6.33 | |
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BALStatMuse has game-level data for WHIP and innings pitched 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 |
|---|---|---|---|---|
88 | 63 | .583 | ||
83 | 67 | .553 | 4.5 | |
74 | 77 | .490 | 14.0 | |
70 | 81 | .464 | 18.0 | |
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| NL Central | W | L | PCT | GB |
 Brewers - x | 93 | 57 | .620 | |
84 | 67 | .556 | 9.5 | |
75 | 75 | .500 | 18.0 | |
75 | 76 | .497 | 18.5 | |
70 | 80 | .467 | 23.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - x | 91 | 59 | .607 | |
82 | 68 | .547 | 9.0 | |
80 | 71 | .530 | 11.5 | |
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