50 pitchers are tied for winning the fewest games by a starting pitcher in a season, with 0 wins in 2025. The first three are Kyle Leahy, Brady Basso and Louis Varland.
| NAME | W | SEASON | TM | L | W% | G | 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% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | K. Leahy | 0 | 2025 |  STL | 0 | 1 | 1 | 0.00 | 1 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 3.00 | 0.00 | 0.00 | 11.1 | 0.0 | 0.33 | .125 | 0.00 | 3.00 | ||
| 2 | | B. Basso | 0 | 2025 |  ATH | 1 | .000 | 1 | 1 | 6.75 | 0 | 0 | 0 | 0 | 1.1 | 3 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 9 | 0 | 0.00 | 13.50 | 0.00 | 0.00 | 0.0 | 22.2 | 3.75 | .429 | 6.75 | 20.25 |
| 3 | | L. Varland | 0 | 2025 |  TOR | 0 | 1 | 1 | 0.00 | 3 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 13.50 | 0.00 | 0.00 | 50.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||
| 4 | | JT Brubaker | 0 | 2025 |  SFG | 0 | 1 | 1 | 4.50 | 4 | 0 | 0 | 0 | 4.0 | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 17 | 1 | 9.00 | 2.25 | 4.00 | 0.00 | 23.5 | 5.9 | 1.25 | .333 | 4.50 | 9.00 | |
| 5 | | B. Zimmermann | 0 | 2025 |  MIL | 1 | .000 | 1 | 1 | 7.50 | 1 | 0 | 0 | 0 | 6.0 | 7 | 5 | 6 | 2 | 2 | 0 | 0 | 0 | 28 | 0 | 1.50 | 3.00 | 0.50 | 3.00 | 3.6 | 7.1 | 1.50 | .217 | 9.00 | 10.50 |
| 6 | | S. Aldegheri | 0 | 2025 |  LAA | 2 | .000 | 2 | 2 | 6.75 | 8 | 0 | 0 | 0 | 9.1 | 14 | 7 | 7 | 2 | 5 | 3 | 0 | 0 | 48 | 1 | 7.71 | 4.82 | 1.60 | 1.93 | 16.7 | 10.4 | 2.04 | .400 | 6.75 | 13.50 |
| 7 | | R. Gasser | 0 | 2025 | MIL | 2 | .000 | 2 | 2 | 3.18 | 5 | 0 | 0 | 0 | 5.2 | 5 | 2 | 6 | 1 | 4 | 2 | 0 | 0 | 29 | 0 | 7.94 | 6.35 | 1.25 | 1.59 | 17.2 | 13.8 | 1.59 | .235 | 9.53 | 7.94 |
| 8 | | T. Beck | 0 | 2025 | SFG | 0 | 1 | 1 | 9.00 | 1 | 0 | 0 | 0 | 3.0 | 5 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 13 | 1 | 3.00 | 0.00 | 3.00 | 7.7 | 0.0 | 1.67 | .364 | 9.00 | 15.00 | ||
| 9 | | A. Banda | 0 | 2025 |  LAD | 0 | 1 | 1 | 27.00 | 1 | 0 | 0 | 0 | 0.1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 27.00 | 27.00 | 1.00 | 27.00 | 33.3 | 33.3 | 6.00 | 27.00 | 27.00 | ||
| 10 | | A. Suárez | 0 | 2025 |  BAL | 0 | 1 | 1 | 3.00 | 5 | 0 | 0 | 0 | 3.0 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 12 | 0 | 15.00 | 3.00 | 5.00 | 0.00 | 41.7 | 8.3 | 1.00 | .333 | 3.00 | 6.00 | |
| 11 | | J. Murray | 0 | 2025 |  HOU | 0 | 1 | 1 | 0.00 | 1 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 3.00 | 0.00 | 0.00 | 10.0 | 0.0 | 0.33 | .111 | 0.00 | 3.00 | ||
| 12 | | J. Bowlan | 0 | 2025 |  KCR | 0 | 1 | 1 | 9.00 | 3 | 0 | 0 | 0 | 2.0 | 3 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 9 | 1 | 13.50 | 4.50 | 3.00 | 4.50 | 33.3 | 11.1 | 2.00 | .500 | 9.00 | 13.50 | |
| 13 | | T. Phillips | 0 | 2025 |  MIA | 0 | 1 | 1 | 3.38 | 3 | 0 | 0 | 0 | 2.2 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 10 | 0 | 10.13 | 3.38 | 3.00 | 0.00 | 30.0 | 10.0 | 0.75 | .167 | 3.38 | 3.38 | |
| 14 | | B. Sproat | 0 | 2025 |  NYM | 2 | .000 | 4 | 4 | 4.79 | 17 | 0 | 0 | 0 | 20.2 | 18 | 11 | 11 | 0 | 7 | 2 | 0 | 0 | 84 | 0 | 7.40 | 3.05 | 2.43 | 0.00 | 20.2 | 8.3 | 1.21 | .310 | 4.79 | 7.84 |
| 15 | | G. Jax | 0 | 2025 |  TBR | 0 | 2 | 2 | 0.00 | 2 | 0 | 0 | 0 | 2.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9 | 0 | 9.00 | 4.50 | 2.00 | 0.00 | 22.2 | 11.1 | 2.00 | .500 | 0.00 | 13.50 | |
| 16 | | C. Dana | 0 | 2025 | LAA | 4 | .000 | 5 | 5 | 6.15 | 27 | 0 | 0 | 0 | 26.1 | 23 | 18 | 19 | 7 | 13 | 1 | 0 | 0 | 112 | 2 | 9.23 | 4.44 | 2.08 | 2.39 | 24.1 | 11.6 | 1.37 | .250 | 6.49 | 7.86 |
| 17 | | S. Barlow | 0 | 2025 |  CIN | 1 | .000 | 1 | 1 | 36.00 | 1 | 0 | 0 | 0 | 1.0 | 2 | 4 | 4 | 1 | 3 | 0 | 0 | 0 | 7 | 0 | 9.00 | 27.00 | 0.33 | 9.00 | 14.3 | 42.9 | 5.00 | .500 | 36.00 | 18.00 |
| 18 | | L. Bachar | 0 | 2025 | MIA | 1 | .000 | 1 | 1 | 9.00 | 2 | 0 | 0 | 0 | 2.0 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 9.00 | 0.00 | 0.00 | 25.0 | 0.0 | 1.00 | .333 | 9.00 | 9.00 | |
| 19 | | F. Ellard | 0 | 2025 |  CWS | 0 | 3 | 3 | 0.00 | 5 | 0 | 0 | 0 | 3.2 | 2 | 0 | 1 | 0 | 7 | 0 | 0 | 0 | 20 | 1 | 12.27 | 17.18 | 0.71 | 0.00 | 25.0 | 35.0 | 2.45 | .250 | 2.45 | 4.91 | |
| 20 | | P. Tolle | 0 | 2025 |  BOS | 1 | .000 | 3 | 3 | 7.84 | 12 | 0 | 0 | 0 | 10.1 | 11 | 9 | 9 | 4 | 6 | 0 | 0 | 0 | 47 | 1 | 10.45 | 5.23 | 2.00 | 3.48 | 25.5 | 12.8 | 1.65 | .280 | 7.84 | 9.58 |
| 21 | | A. Ashby | 0 | 2025 | MIL | 0 | 1 | 1 | 0.00 | 3 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 13.50 | 0.00 | 0.00 | 50.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||
| 22 | | M. Brown | 0 | 2025 |  COL | 5 | .000 | 7 | 7 | 7.36 | 23 | 0 | 0 | 0 | 25.2 | 30 | 21 | 21 | 6 | 17 | 5 | 0 | 0 | 126 | 1 | 8.06 | 5.96 | 1.35 | 2.10 | 18.3 | 13.5 | 1.83 | .320 | 7.36 | 10.52 |
| 23 | | J. Beeks | 0 | 2025 |  AZ | 1 | .000 | 2 | 2 | 4.50 | 2 | 0 | 0 | 0 | 2.0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 9.00 | 0.00 | 4.50 | 28.6 | 0.0 | 0.50 | .000 | 4.50 | 4.50 | |
| 24 | | C. Boushley | 0 | 2025 |  TEX | 0 | 1 | 1 | 9.00 | 1 | 0 | 0 | 0 | 3.0 | 5 | 3 | 3 | 1 | 3 | 0 | 0 | 1 | 16 | 0 | 3.00 | 9.00 | 0.33 | 3.00 | 6.3 | 18.8 | 2.67 | .364 | 9.00 | 15.00 | |
| 25 | | R. Garcia | 0 | 2025 | BAL | 0 | 1 | 1 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 9.00 | 0.00 | 0.00 | 20.0 | 0.0 | 2.00 | .500 | 0.00 | 18.00 | ||
StatMuse has game-level data for pitcher wins going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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