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 (9, 31) | .6600 | 887.0 | R |
| 3. | Gerrit Cole (13, 35) | .6513 | 1991.2 | 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) | .6142 | 1803.2 | R |
| 9. | Freddy Peralta (9, 30) | .6098 | 1022.1 | R |
| 10. | Framber Valdez (9, 32) | .5986 | 1176.1 | L |
| 11. | Eduardo Rodríguez (11, 33) | .5952 | 1399.2 | L |
| 12. | Jacob deGrom (13, 38) | .5930 | 1628.1 | R |
| 13. | Michael Wacha (14, 34) | .5918 | 1736.0 | 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. | Carlos Rodón (12, 33) | .5673 | 1323.1 | L |
| 18. | Sonny Gray (14, 36) | .5654 | 1994.1 | R |
| 19. | Logan Webb (8, 29) | .5639 | 1152.2 | R |
| 20. | Jameson Taillon (10, 34) | .5638 | 1304.2 | R |
| 21. | Seth Lugo (11, 36) | .5630 | 1083.1 | R |
| 22. | Blake Snell (11, 33) | .5625 | 1161.0 | L |
| 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. | Nathan Eovaldi (15, 36) | .5473 | 1802.2 | R |
| 27. | Aaron Nola (12, 33) | .5463 | 1796.1 | R |
| 28. | Aroldis Chapman (17, 38) | .5405 | 845.0 | L |
| Sean Manaea (11, 34) | .5405 | 1302.1 | L | |
| 30. | Zac Gallen (8, 30) | .5391 | 1093.2 | R |
| 31. | Merrill Kelly (8, 37) | .5385 | 1084.0 | R |
| 32. | Craig Kimbrel (17, 38) | .5283 | 842.2 | R |
| 33. | Pablo López (8, 30) | .5268 | 965.0 | R |
| 34. | Dylan Cease (8, 30) | .5267 | 1098.2 | R |
| 35. | Robbie Ray (13, 34) | .5193 | 1528.2 | L |
| 36. | Matt Moore (13, 37) | .5182 | 1142.2 | L |
| 37. | Carlos Carrasco (17, 39) | .5161 | 1702.0 | R |
| 38. | Joe Musgrove (9, 33) | .5156 | 1056.0 | R |
| 39. | Lucas Giolito (10, 31) | .5141 | 1188.1 | R |
| 40. | Taijuan Walker (14, 33) | .5098 | 1300.2 | R |
| 41. | Jose Quintana (15, 37) | .5044 | 2142.1 | L |
| 42. | Zach Eflin (11, 32) | .5037 | 1077.1 | R |
| 43. | Jack Flaherty (10, 30) | .5000 | 1056.1 | R |
| Martín Pérez (15, 35) | .5000 | 1703.2 | L | |
| 45. | Kevin Gausman (14, 35) | .4936 | 2006.0 | R |
| 46. | Steven Matz (12, 35) | .4923 | 1057.1 | L |
| 47. | Luis Castillo (10, 33) | .4915 | 1487.1 | R |
| 48. | Germán Márquez (11, 31) | .4897 | 1176.0 | R |
| 49. | Miles Mikolas (11, 37) | .4774 | 1329.2 | R |
| 50. | Reynaldo López (11, 32) | .4762 | 867.0 | R |
| Rank | Player (yrs, age) | Win-Loss % | IP | Throws |
| 51. | Nick Martinez (9, 35) | .4741 | 1034.2 | R |
| 52. | Nick Pivetta (10, 33) | .4730 | 1227.0 | R |
| 53. | Michael Lorenzen (12, 34) | .4711 | 1077.2 | R |
| 54. | Antonio Senzatela (10, 31) | .4636 | 865.1 | R |
| 55. | Brady Singer (7, 29) | .4609 | 928.0 | R |
| 56. | Sandy Alcantara (9, 30) | .4580 | 1185.1 | R |
| 57. | Trevor Williams (10, 34) | .4492 | 1009.0 | R |
| 58. | Matthew Boyd (12, 35) | .4429 | 1116.2 | L |
| 59. | Drew Pomeranz (13, 37) | .4425 | 931.1 | L |
| 60. | Yusei Kikuchi (8, 35) | .4404 | 1019.0 | L |
| 61. | Patrick Corbin (14, 36) | .4341 | 2116.2 | L |
| 62. | Shelby Miller (13, 35) | .4250 | 921.2 | R |
| 63. | Brad Keller (9, 30) | .4231 | 820.1 | R |
| 64. | Kyle Freeland (10, 33) | .4049 | 1332.1 | L |
| 65. | Mitch Keller (8, 30) | .4017 | 966.1 | R |
