Active Leaders & Records for Strikeouts per 9 IP
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| Rank | Player (yrs, age) | Strikeouts per 9 IP | IP | Throws |
|---|---|---|---|---|
| 1. | Chris Sale (14, 35) | 11.0552 | 1798.1 | L |
| 2. | Robbie Ray (10, 32) | 11.0301 | 1228.0 | L |
| 3. | Jacob deGrom (10, 36) | 10.9619 | 1356.1 | R |
| 4. | Max Scherzer (16, 39) | 10.6901 | 2834.2 | R |
| 5. | Yu Darvish (12, 37) | 10.6547 | 1648.0 | R |
| 6. | Gerrit Cole (11, 33) | 10.4185 | 1859.0 | R |
| 7. | Aaron Nola (10, 31) | 9.9693 | 1445.1 | R |
| 8. | Luis Castillo (8, 31) | 9.8919 | 1076.1 | R |
| 9. | Clayton Kershaw (16, 36) | 9.7675 | 2712.2 | L |
| 10. | Lucas Giolito (8, 29) | 9.5623 | 1013.2 | R |
| 11. | Kevin Gausman (12, 33) | 9.3926 | 1551.1 | R |
| 12. | Carlos Carrasco (15, 37) | 9.1935 | 1550.2 | R |
| 13. | Zack Wheeler (10, 34) | 9.1818 | 1402.2 | R |
| 14. | Jon Gray (10, 32) | 9.1086 | 1132.1 | R |
| 15. | Lance Lynn (13, 37) | 9.0723 | 1909.2 | R |
| 16. | Eduardo Rodríguez (8, 31) | 9.0545 | 1100.1 | L |
| 17. | Justin Verlander (18, 41) | 9.0451 | 3325.1 | R |
| 18. | Drew Smyly (11, 35) | 8.8085 | 1096.1 | L |
| 19. | José Berríos (9, 30) | 8.7966 | 1239.0 | R |
| 20. | Sonny Gray (12, 34) | 8.7155 | 1582.0 | R |
| 21. | Germán Márquez (8, 29) | 8.7077 | 1016.0 | R |
| 22. | Charlie Morton (17, 40) | 8.6389 | 1977.1 | R |
| 23. | Alex Wood (12, 33) | 8.4220 | 1235.1 | L |
| 24. | Jake Odorizzi (11, 34) | 8.4160 | 1253.1 | R |
| 25. | Sean Manaea (9, 32) | 8.3424 | 1017.1 | L |
| 26. | Matt Moore (13, 35) | 8.3108 | 1101.1 | L |
| 27. | Patrick Corbin (12, 34) | 8.3017 | 1740.0 | L |
| 28. | Jesse Chavez (17, 40) | 8.2167 | 1080.0 | R |
| 29. | Danny Duffy (11, 35) | 8.0455 | 1172.1 | L |
| 30. | Michael Wacha (12, 32) | 7.9985 | 1312.0 | R |
| 31. | Jose Quintana (13, 35) | 7.9516 | 1820.0 | L |
| 32. | Taijuan Walker (11, 31) | 7.9352 | 1070.2 | R |
| 33. | Julio Teheran (13, 33) | 7.7108 | 1470.2 | R |
| 34. | Nathan Eovaldi (13, 34) | 7.6602 | 1426.1 | R |
| 35. | Chase Anderson (11, 36) | 7.5454 | 1058.0 | R |
| 36. | Alex Cobb (12, 36) | 7.5358 | 1311.1 | R |
| 37. | Marcus Stroman (10, 33) | 7.5339 | 1326.0 | R |
| 38. | Kyle Hendricks (11, 34) | 7.2593 | 1466.2 | R |
| 39. | Kyle Gibson (12, 36) | 7.1895 | 1715.0 | R |
| 40. | Wade Miley (14, 37) | 7.0181 | 1745.1 | L |
| 41. | Dallas Keuchel (12, 36) | 6.8815 | 1625.2 | L |
| 42. | Jordan Lyles (14, 33) | 6.8290 | 1509.0 | R |
| 43. | Zach Davies (9, 31) | 6.7393 | 1048.1 | R |
| 44. | Kyle Freeland (8, 31) | 6.6960 | 1000.0 | L |
| 45. | Martín Pérez (13, 33) | 6.2525 | 1465.1 | L |
