Active Leaders & Records for Win-Loss %
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| Rank | Player (yrs, age) | Win-Loss % | IP | Throws |
|---|---|---|---|---|
| 1. | Max Fried (10, 32) | .6857 | 1141.1 | L |
| 2. | Shane Bieber (8, 31) | .6600 | 883.1 | R |
| 3. | Gerrit Cole (13, 35) | .6568 | 1982.0 | R |
| 4. | Max Scherzer (19, 41) | .6472 | 2985.0 | R |
| 5. | Justin Verlander (21, 43) | .6259 | 3571.1 | R |
| 6. | Corbin Burnes (8, 31) | .6238 | 968.0 | R |
| 7. | Chris Sale (16, 37) | .6220 | 2168.0 | L |
| 8. | Zack Wheeler (12, 36) | .6122 | 1796.2 | R |
| 9. | Freddy Peralta (9, 30) | .6098 | 1016.2 | R |
| 10. | Jacob deGrom (13, 38) | .5965 | 1622.1 | R |
| 11. | Framber Valdez (9, 32) | .5957 | 1164.1 | L |
| 12. | Eduardo Rodríguez (11, 33) | .5952 | 1393.0 | L |
| 13. | Michael Wacha (14, 34) | .5897 | 1721.1 | R |
| 14. | Mike Clevinger (9, 35) | .5769 | 809.2 | R |
| 15. | Marco Gonzales (10, 34) | .5690 | 926.2 | L |
| 16. | José Berríos (10, 32) | .5684 | 1571.2 | R |
| 17. | Seth Lugo (11, 36) | .5678 | 1078.1 | R |
| 18. | Carlos Rodón (12, 33) | .5647 | 1318.0 | L |
| 19. | Jameson Taillon (10, 34) | .5638 | 1304.2 | R |
| 20. | Sonny Gray (14, 36) | .5636 | 1987.1 | R |
| 21. | Blake Snell (11, 33) | .5625 | 1161.0 | L |
| 22. | Logan Webb (8, 29) | .5606 | 1145.2 | R |
| 23. | Chris Bassitt (12, 37) | .5577 | 1335.0 | R |
| 24. | Yu Darvish (13, 39) | .5529 | 1778.0 | R |
| 25. | Luis Severino (11, 32) | .5515 | 1134.2 | R |
| 26. | Aaron Nola (12, 33) | .5463 | 1791.1 | R |
| 27. | Aroldis Chapman (17, 38) | .5455 | 843.0 | L |
| 28. | Nathan Eovaldi (15, 36) | .5450 | 1795.2 | R |
| 29. | Zac Gallen (8, 30) | .5433 | 1087.0 | R |
| 30. | Merrill Kelly (8, 37) | .5426 | 1078.0 | R |
| 31. | Sean Manaea (11, 34) | .5405 | 1299.1 | L |
| 32. | Dylan Cease (8, 30) | .5308 | 1088.1 | R |
| 33. | Craig Kimbrel (17, 38) | .5283 | 839.2 | R |
| 34. | Pablo López (8, 30) | .5268 | 965.0 | R |
| 35. | Robbie Ray (13, 34) | .5167 | 1520.2 | L |
| 36. | Carlos Carrasco (17, 39) | .5161 | 1700.1 | R |
| 37. | Joe Musgrove (9, 33) | .5156 | 1056.0 | R |
| 38. | Lucas Giolito (10, 31) | .5141 | 1188.1 | R |
| 39. | Taijuan Walker (14, 33) | .5098 | 1300.2 | R |
| 40. | Jose Quintana (15, 37) | .5044 | 2142.1 | L |
| 41. | Zach Eflin (11, 32) | .5037 | 1077.1 | R |
| 42. | Martín Pérez (15, 35) | .5026 | 1699.2 | L |
| 43. | Jack Flaherty (10, 30) | .5000 | 1056.1 | R |
| 44. | Kevin Gausman (14, 35) | .4957 | 2000.0 | R |
| 45. | Steven Matz (12, 35) | .4923 | 1055.1 | L |
| 46. | Germán Márquez (11, 31) | .4897 | 1176.0 | R |
| 47. | Luis Castillo (10, 33) | .4886 | 1481.1 | R |
| 48. | Miles Mikolas (11, 37) | .4774 | 1326.1 | R |
| 49. | Reynaldo López (11, 32) | .4762 | 864.0 | R |
| 50. | Nick Pivetta (10, 33) | .4730 | 1227.0 | R |
| Rank | Player (yrs, age) | Win-Loss % | IP | Throws |
| 51. | Nick Martinez (9, 35) | .4696 | 1029.0 | R |
| 52. | Michael Lorenzen (12, 34) | .4667 | 1072.0 | R |
| 53. | Brady Singer (7, 29) | .4609 | 921.0 | R |
| 54. | Antonio Senzatela (10, 31) | .4587 | 862.1 | R |
| 55. | Sandy Alcantara (9, 30) | .4538 | 1178.2 | R |
| 56. | Trevor Williams (10, 34) | .4492 | 1009.0 | R |
| 57. | Matthew Boyd (12, 35) | .4429 | 1112.0 | L |
| 58. | Drew Pomeranz (13, 37) | .4425 | 931.1 | L |
| 59. | Yusei Kikuchi (8, 35) | .4404 | 1019.0 | L |
| 60. | Patrick Corbin (14, 36) | .4358 | 2112.1 | L |
| 61. | Shelby Miller (13, 35) | .4250 | 921.2 | R |
| 62. | Brad Keller (9, 30) | .4231 | 820.1 | R |
| 63. | Mitch Keller (8, 30) | .4052 | 960.1 | R |
| 64. | Kyle Freeland (10, 33) | .4049 | 1326.1 | L |
