40 pitchers are tied for losing the most games in a World Series game, with 1 game. The first three are Shane Bieber yesterday, Kevin Gausman on Friday and last Saturday and Blake Snell on Wednesday and last Friday.
Interpreted as:
biggest loss by a player in a world series game| NAME | L | DATE | SEASON | SERIES | TM | OPP | DEC | W | L% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | S. Bieber | 1 | 11/1/2025 | 2025 | World Series |  TOR | vs |  LAD | L | 0 | 1.000 | 0 | 9.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 4 | 0 |
| 2 |  | K. Gausman | 1 | 10/31/2025 | 2025 | World Series | TOR | vs | LAD | L | 0 | 1.000 | 1 | 4.50 | 8 | 0 | 0 | 0 | 6.0 | 3 | 3 | 3 | 0 | 2 | 0 | 0 | 1 | 23 | 0 |
| 3 |  | B. Snell | 1 | 10/29/2025 | 2025 | World Series | LAD | vs | TOR | L | 0 | 1.000 | 1 | 6.75 | 7 | 0 | 0 | 0 | 6.2 | 6 | 5 | 5 | 2 | 4 | 0 | 0 | 0 | 28 | 2 |
| 4 |  | S. Ohtani | 1 | 10/28/2025 | 2025 | World Series | LAD | vs | TOR | L | 0 | 1.000 | 1 | 6.00 | 6 | 0 | 0 | 0 | 6.0 | 6 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 25 | 0 |
| 5 |  | B. Little | 1 | 10/27/2025 | 2025 | World Series | TOR | @ | LAD | L | 0 | 1.000 | 0 | 9.00 | 1 | 0 | 0 | 0 | 1.0 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 6 | 0 |
| 6 | | K. Gausman | 1 | 10/25/2025 | 2025 | World Series | TOR | vs | LAD | L | 0 | 1.000 | 1 | 4.05 | 6 | 0 | 0 | 0 | 6.2 | 4 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 24 | 0 |
| 7 | | B. Snell | 1 | 10/24/2025 | 2025 | World Series | LAD | @ | TOR | L | 0 | 1.000 | 1 | 9.00 | 4 | 0 | 0 | 0 | 5.0 | 8 | 5 | 5 | 1 | 3 | 1 | 0 | 0 | 24 | 0 |
| 8 | | T. Kahnle | 1 | 10/30/2024 | 2024 | World Series |  NYY | vs | LAD | L | 0 | 1.000 | 0 | 0 | 0 | 0 | 0 | 0.0 | 2 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | |
| 9 | | D. Hudson | 1 | 10/29/2024 | 2024 | World Series | LAD | @ | NYY | L | 0 | 1.000 | 0 | 36.00 | 1 | 0 | 0 | 0 | 1.0 | 2 | 4 | 4 | 1 | 1 | 1 | 0 | 0 | 7 | 0 |
| 10 | | C. Schmidt | 1 | 10/28/2024 | 2024 | World Series | NYY | vs | LAD | L | 0 | 1.000 | 1 | 10.13 | 3 | 0 | 0 | 0 | 2.2 | 2 | 3 | 3 | 1 | 4 | 0 | 0 | 0 | 14 | 0 |
| 11 |  | C. Rodón | 1 | 10/26/2024 | 2024 | World Series | NYY | @ | LAD | L | 0 | 1.000 | 1 | 10.80 | 3 | 0 | 0 | 0 | 3.1 | 6 | 4 | 4 | 3 | 0 | 0 | 0 | 0 | 16 | 0 |
| 12 | | J. Cousins | 1 | 10/25/2024 | 2024 | World Series | NYY | @ | LAD | L | 0 | 1.000 | 0 | 54.00 | 0 | 0 | 0 | 0 | 0.1 | 1 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 0 |
| 13 |  | Z. Gallen | 1 | 11/1/2023 | 2023 | World Series |  ARI | vs |  TEX | L | 0 | 1.000 | 1 | 1.42 | 6 | 0 | 0 | 0 | 6.1 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 23 | 0 |
| 14 | | J. Mantiply | 1 | 10/31/2023 | 2023 | World Series | ARI | vs | TEX | L | 0 | 1.000 | 1 | 6.75 | 1 | 0 | 0 | 0 | 1.1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 6 | 0 |
| 15 | | B. Pfaadt | 1 | 10/30/2023 | 2023 | World Series | ARI | vs | TEX | L | 0 | 1.000 | 1 | 5.06 | 4 | 0 | 0 | 0 | 5.1 | 4 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 21 | 0 |
| 16 | | J. Montgomery | 1 | 10/28/2023 | 2023 | World Series | TEX | vs | ARI | L | 0 | 1.000 | 1 | 6.00 | 0 | 0 | 0 | 0 | 6.0 | 9 | 4 | 4 | 1 | 1 | 0 | 0 | 1 | 26 | 0 |
| 17 | | M. Castro | 1 | 10/27/2023 | 2023 | World Series | ARI | @ | TEX | L | 0 | 1.000 | 0 | 0 | 0 | 0 | 0 | 0.0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | |
| 18 |  | Z. Wheeler | 1 | 11/5/2022 | 2022 | World Series |  PHI | @ |  HOU | L | 0 | 1.000 | 1 | 3.38 | 5 | 0 | 0 | 0 | 5.1 | 3 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 20 | 0 |
| 19 |  | N. Syndergaard | 1 | 11/3/2022 | 2022 | World Series | PHI | vs | HOU | L | 0 | 1.000 | 1 | 6.00 | 4 | 0 | 0 | 0 | 3.0 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 11 | 0 |
| 20 |  | A. Nola | 1 | 11/2/2022 | 2022 | World Series | PHI | vs | HOU | L | 0 | 1.000 | 1 | 6.75 | 4 | 0 | 0 | 0 | 4.0 | 7 | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 20 | 0 |
| 21 | | L. McCullers Jr. | 1 | 11/1/2022 | 2022 | World Series | HOU | @ | PHI | L | 0 | 1.000 | 1 | 14.54 | 5 | 0 | 0 | 0 | 4.1 | 6 | 7 | 7 | 5 | 1 | 0 | 0 | 0 | 20 | 0 |
| 22 | | Z. Wheeler | 1 | 10/29/2022 | 2022 | World Series | PHI | @ | HOU | L | 0 | 1.000 | 1 | 7.20 | 3 | 0 | 0 | 0 | 5.0 | 6 | 4 | 5 | 1 | 3 | 0 | 0 | 0 | 24 | 0 |
| 23 | | L. Garcia | 1 | 10/28/2022 | 2022 | World Series | HOU | vs | PHI | L | 0 | 1.000 | 0 | 13.50 | 0 | 0 | 0 | 0 | 0.2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 0 |
| 24 | | L. Garcia | 1 | 11/2/2021 | 2021 | World Series | HOU | vs |  ATL | L | 0 | 1.000 | 1 | 10.13 | 3 | 0 | 0 | 0 | 2.2 | 2 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 11 | 0 |
| 25 | | A.J. Minter | 1 | 10/31/2021 | 2021 | World Series | ATL | vs | HOU | L | 0 | 1.000 | 0 | 27.00 | 2 | 0 | 0 | 0 | 1.0 | 3 | 3 | 3 | 0 | 2 | 0 | 0 | 1 | 8 | 0 |
Results may be incomplete. StatMuse has complete game-level data for pitcher losses going back to the 1903 playoffs.
Some of the information used here was obtained free of charge from Retrosheet.
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