50 pitchers are tied for the lowest WHIP by a relief pitcher in a season, with a WHIP of 0.00. The first three are Tanner Rainey, Andrew Chafin and Tobias Myers this season.
| NAME | WHIP | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | 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 |  | T. Rainey | 0.00 | 2025 |  PIT | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 18.00 | 0.00 | 0.00 | 66.7 | 0.0 | .000 | 0.00 | 0.00 | ||
| 2 |  | A. Chafin | 0.00 | 2025 |  WSH | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 27.00 | 0.00 | 0.00 | 100.0 | 0.0 | 0.00 | 0.00 | |||
| 3 |  | T. Myers | 0.00 | 2025 |  MIL | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 9.00 | 0.00 | 0.00 | 33.3 | 0.0 | .000 | 0.00 | 0.00 | ||
| 4 |  | D. Daniel | 0.00 | 2025 |  ATL | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 9.00 | 0.00 | 0.00 | 25.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 5 |  | J. Bowlan | 0.00 | 2025 |  KCR | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | 4.50 | 0.00 | 0.00 | 16.7 | 0.0 | .000 | 0.00 | 0.00 | ||
| 6 |  | G. Hollowell | 0.00 | 2025 |  CHC | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 9.00 | 0.00 | 0.00 | 33.3 | 0.0 | .000 | 0.00 | 0.00 | ||
| 7 |  | F. Whitley | 0.00 | 2025 |  HOU | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | 9.00 | 0.00 | 0.00 | 28.6 | 0.0 | .000 | 0.00 | 0.00 | ||
| 8 | | M. Petersen | 0.00 | 2025 | ATL | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | 4.50 | 0.00 | 0.00 | 16.7 | 0.0 | .000 | 0.00 | 0.00 | ||
| 9 |  | E. Duran | 0.00 | 2025 |  TEX | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 10 | | G. Holmes | 0.00 | 2025 | ATL | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 18.00 | 0.00 | 0.00 | 66.7 | 0.0 | .000 | 0.00 | 0.00 | ||
| 11 | | R. López | 0.00 | 2024 | ATL | 1 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 18.00 | 0.00 | 0.00 | 66.7 | 0.0 | .000 | 0.00 | 0.00 | ||
| 12 |  | J. Pereda | 0.00 | 2024 |  MIA | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 13 |  | E. Kravetz | 0.00 | 2024 |  CIN | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 14 |  | J. Cantillo | 0.00 | 2024 |  CLE | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 5.40 | 0.00 | 0.00 | 20.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 15 | | G. Hampson | 0.00 | 2024 | KCR | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 16 |  | L. Torrens | 0.00 | 2024 |  NYM | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 17 |  | A. Kloffenstein | 0.00 | 2024 |  STL | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 18 |  | W. Castro | 0.00 | 2024 |  MIN | 2 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 19 | | G. Kessinger | 0.00 | 2024 | HOU | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 20 |  | M. Sanó | 0.00 | 2024 |  LAA | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 21 | | M. DÃaz | 0.00 | 2024 | HOU | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 22 |  | C. Sánchez | 0.00 | 2023 |  PHI | 1 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 9.00 | 0.00 | 0.00 | 33.3 | 0.0 | .000 | 0.00 | 0.00 | ||
| 23 |  | S. Zavala | 0.00 | 2023 |  ARI | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 24 |  | K. Hurt | 0.00 | 2023 |  LAD | 1 | 0 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | 13.50 | 0.00 | 0.00 | 50.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 25 |  | H. Danner | 0.00 | 2023 |  TOR | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
StatMuse has game-level data for WHIP going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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