49 pitchers are tied for the lowest WHIP by a relief pitcher in a season, with a WHIP of 0.00. The first three are Brooks Raley, Chris Bassitt and Kyle Hart 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 |  | B. Raley | 0.00 | 2025 |  NYM | 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 |  | C. Bassitt | 0.00 | 2025 |  TOR | 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 | ||
| 3 | | K. Hart | 0.00 | 2025 |  SDP | 1 | 1 | 0 | 1.000 | 0 | 0.00 | 2 | 0 | 0 | 0 | 3.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 4.91 | 0.00 | 0.00 | 18.2 | 0.0 | .000 | 0.00 | 0.00 | |
| 4 | | D. Nikhazy | 0.00 | 2025 |  CLE | 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 | ||
| 5 | | G. Hampson | 0.00 | 2025 |  STL | 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 | ||
| 6 | | N. Martinez | 0.00 | 2025 |  CIN | 2 | 0 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 3.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 3.00 | 0.00 | 0.00 | 11.1 | 0.0 | .000 | 0.00 | 0.00 | ||
| 7 | | F. Tarnok | 0.00 | 2025 |  MIA | 2 | 1 | 0 | 1.000 | 0 | 0.00 | 1 | 0 | 0 | 1 | 2.0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 6 | 0 | 4.50 | 0.00 | 0.00 | 16.7 | 0.0 | .000 | 0.00 | 0.00 | |
| 8 | | L. Allen | 0.00 | 2025 | CLE | 1 | 1 | 0 | 1.000 | 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 | |
| 9 | | C. Salazar | 0.00 | 2025 |  HOU | 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 | ||
| 10 | | R. Stephenson | 0.00 | 2025 |  LAA | 2 | 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 | ||
| 11 | | M. Stefanic | 0.00 | 2025 | TOR | 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 | ||
| 12 | | T. Nido | 0.00 | 2025 |  DET | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 6 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | .000 | 0.00 | 0.00 | ||
| 13 | | J. Amaya | 0.00 | 2025 |  CWS | 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 | ||
| 14 | | 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 | ||
| 15 | | 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 | ||
| 16 | | 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 | ||
| 17 | | 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 | ||
| 18 | | 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 | ||
| 19 | | 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 | ||
| 20 | | 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 | ||
| 21 | | 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 | ||
| 22 | | 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 | ||
| 23 | | 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 | ||
| 24 | | 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 | ||
| 25 | | 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 | ||
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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