Active Leaders & Records for Range Factor/9Inn as P
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| Rank | Player (yrs, age) | Range Factor/9Inn as P | Innings Played | Throws |
|---|---|---|---|---|
| 1. | Ranger Suárez (7, 28) | 2.479 | 501.0 | L |
| 2. | Joe Musgrove (9, 31) | 2.364 | 997.1 | R |
| 3. | Dallas Keuchel (12, 36) | 2.309 | 1625.2 | L |
| 4. | Marcus Stroman (10, 33) | 2.262 | 1340.2 | R |
| 5. | Tyler Chatwood (10, 34) | 2.202 | 878.2 | R |
| 6. | Max Fried (8, 30) | 2.165 | 748.1 | L |
| 7. | Kyle Hendricks (11, 34) | 2.117 | 1470.2 | R |
| 8. | Sonny Gray (12, 34) | 2.051 | 1601.1 | R |
| 9. | Alex Cobb (12, 36) | 2.038 | 1311.1 | R |
| 10. | Julio Teheran (13, 33) | 2.019 | 1470.2 | R |
| 11. | Zach Davies (9, 31) | 1.957 | 1048.1 | R |
| 12. | Joe Kelly (13, 36) | 1.953 | 820.1 | R |
| 13. | Michael Lorenzen (10, 32) | 1.952 | 747.0 | R |
| 14. | Raisel Iglesias (10, 34) | 1.939 | 612.2 | R |
| 15. | Nathan Eovaldi (13, 34) | 1.933 | 1443.0 | R |
| 16. | Dakota Hudson (7, 29) | 1.922 | 501.0 | R |
| 17. | Lance McCullers Jr. (7, 30) | 1.904 | 718.2 | R |
| 18. | Taijuan Walker (12, 31) | 1.886 | 1083.1 | R |
| 19. | Kyle Gibson (12, 36) | 1.884 | 1734.0 | R |
| 20. | Johnny Cueto (16, 38) | 1.876 | 2245.0 | R |
| 21. | Antonio Senzatela (7, 29) | 1.867 | 679.2 | R |
| 22. | Patrick Corbin (12, 34) | 1.851 | 1755.1 | L |
| 23. | Blake Treinen (10, 36) | 1.839 | 504.0 | R |
| 24. | Corbin Burnes (7, 29) | 1.834 | 750.2 | R |
| 25. | Chris Flexen (7, 29) | 1.827 | 517.1 | R |
| 26. | Logan Webb (6, 27) | 1.795 | 697.0 | R |
| 27. | Miles Mikolas (9, 35) | 1.786 | 962.1 | R |
| 28. | Tyler Anderson (9, 34) | 1.773 | 979.2 | L |
| 29. | Zach Eflin (9, 30) | 1.763 | 878.0 | R |
| 30. | Jacob deGrom (10, 36) | 1.739 | 1356.1 | R |
| 31. | José Ureña (10, 32) | 1.737 | 860.0 | R |
| 32. | Chad Kuhl (7, 31) | 1.712 | 615.0 | R |
| 33. | Sandy Alcántara (7, 28) | 1.699 | 900.2 | R |
| 34. | Kendall Graveman (9, 33) | 1.670 | 652.0 | R |
| 35. | Luis Castillo (8, 31) | 1.666 | 1096.1 | R |
| 36. | Adrian Houser (8, 31) | 1.664 | 568.0 | R |
| 37. | Michael Wacha (12, 32) | 1.663 | 1325.2 | R |
| 38. | Steven Matz (10, 33) | 1.660 | 911.0 | L |
| 39. | Luis Severino (9, 30) | 1.654 | 767.1 | R |
| 40. | Ross Stripling (9, 34) | 1.651 | 801.1 | R |
