During the 2025 year, Zack Littell is the best in MLB in win-loss percentage with 4.000. In 2nd is Aaron Nola, having a win-loss % total of 4.000. Sitting with a tally of 4, Charlie Morton is holding on to the 3rd position. Rounding out the top 5 are Carlos Rodon (3) and Michael Lorenzen (3).
2025 MLB Win-Loss Percentage Leaders
| W-L% Rank | Team | W-L% |
|---|---|---|
| 1st | Zack Littell | 4.000 |
| 2nd | Aaron Nola | 4.000 |
| 3rd | Charlie Morton | 4.000 |
| 4th | Carlos Rodon | 3.000 |
| 5th | Michael Lorenzen | 3.000 |
| 6th | Sean Burke | 3.000 |
| 7th | Luis Severino | 3.000 |
| 8th | Kyle Freeland | 3.000 |
| 9th | Yusei Kikuchi | 3.000 |
| 10th | Nick Martinez | 3.000 |
| 11th | Michael Wacha | 3.000 |
| 12th | Antonio Senzatela | 3.000 |
| 13th | Germán Márquez | 3.000 |
| 14th | Jose Soriano | 2.000 |
| 15th | Tarik Skubal | 2.000 |
| 16th | JP Sears | 2.000 |
| 17th | Dean Kremer | 2.000 |
| 18th | Tylor Megill | 2.000 |
| 19th | Nathan Eovaldi | 2.000 |
| 20th | Max Meyer | 2.000 |
| 21st | Seth Lugo | 2.000 |
| 22nd | MacKenzie Gore | 2.000 |
| 23rd | Mitch Keller | 2.000 |
| 24th | Matthew Boyd | 2.000 |
| 25th | Jordan Hicks | 2.000 |
| 26th | Davis Martin | 2.000 |
| 27th | Bailey Falter* | 2.000 |
| 28th | Ryan Pepiot | 2.000 |
| 29th | Eduardo Rodríguez* | 2.000 |
| 30th | Framber Valdez* | 2.000 |
