+ - Indicates Hall of Famer. Bold indicates active player.
Statistic Description: 9 x HR / IP For recent years, leaders need 1 IP per team game played
Minimum of 1000 IP, 3000 PA, 500 games (fielding), 200 stolen base attempts (catchers) or 80 stolen base attempts (baserunners only since 1951) or 100 decisions for career and active leaderboards for rate statistics.
| Rank | Player (yrs, age) | Home Runs per 9 IP | Throws |
|---|---|---|---|
| 1. | Mariano Rivera (18, 42) | 0.4796 | R |
| 2. | Tim Lincecum (6, 28) | 0.6598 | R |
| 3. | Adam Wainwright (7, 30) | 0.6626 | R |
| 4. | Chad Billingsley (7, 27) | 0.6653 | R |
| 5. | Tim Hudson (14, 36) | 0.7046 | R |
| 6. | Ubaldo Jimenez (7, 28) | 0.7164 | R |
| 7. | Felix Hernandez (8, 26) | 0.7221 | R |
| 8. | Derek Lowe (16, 39) | 0.7245 | R |
| 9. | Carlos Zambrano (12, 31) | 0.7397 | R |
| 10. | Roy Halladay (15, 35) | 0.7502 | R |
| 11. | Matt Cain (8, 27) | 0.7555 | R |
| 12. | Jason Isringhausen (16, 39) | 0.7592 | R |
| 13. | Jake Westbrook (12, 34) | 0.7781 | R |
| 14. | Andy Pettitte (17, 40) | 0.7791 | L |
| 15. | Roy Oswalt (12, 34) | 0.7890 | R |
| 16. | Justin Verlander (8, 29) | 0.7936 | R |
| 17. | CC Sabathia (12, 31) | 0.7967 | L |
| 18. | Aaron Cook (11, 33) | 0.8064 | R |
| 19. | Paul Maholm (8, 30) | 0.8374 | L |
| 20. | Dontrelle Willis (9, 30) | 0.8398 | L |
| 21. | Jon Lester (7, 28) | 0.8512 | L |
| 22. | Erik Bedard (9, 33) | 0.8607 | L |
| 23. | Chris Carpenter (15, 37) | 0.8922 | R |
| 24. | Miguel Batista (18, 41) | 0.8925 | R |
| 25. | Zack Greinke (9, 28) | 0.8988 | R |
| 26. | Brad Penny (13, 34) | 0.9052 | R |
| 27. | John Lackey (10, 33) | 0.9067 | R |
| 28. | Zach Duke (8, 29) | 0.9131 | L |
| 29. | Jamey Wright (17, 37) | 0.9160 | R |
| 30. | A.J. Burnett (14, 35) | 0.9197 | R |
| 31. | Jake Peavy (11, 31) | 0.9298 | R |
| 32. | Cliff Lee (11, 33) | 0.9424 | L |
| 33. | Doug Davis (13, 36) | 0.9442 | L |
| 34. | Barry Zito (13, 34) | 0.9568 | L |
| 35. | Jered Weaver (7, 29) | 0.9611 | R |
| 36. | Kerry Wood (14, 35) | 0.9652 | R |
| 37. | Johan Santana (12, 33) | 0.9775 | L |
| 38. | Ryan Dempster (15, 35) | 0.9789 | R |
| 39. | Kevin Millwood (16, 37) | 0.9793 | R |
| 40. | Joel Pineiro (12, 33) | 0.9901 | R |
| 41. | Jose Contreras (10, 40) | 1.0017 | R |
| 42. | Carl Pavano (14, 36) | 1.0063 | R |
| 43. | Edwin Jackson (10, 28) | 1.0074 | R |
| 44. | Mark Buehrle (13, 33) | 1.0078 | L |
| Matt Garza (7, 28) | 1.0078 | R | |
| 46. | Wandy Rodriguez (8, 33) | 1.0097 | L |
| 47. | Darren Oliver (19, 41) | 1.0125 | L |
| 48. | Josh Beckett (12, 32) | 1.0132 | R |
| 49. | Kip Wells (12, 35) | 1.0154 | R |
| 50. | Livan Hernandez (17, 37) | 1.0216 | R |
| Rank | Player (yrs, age) | Home Runs per 9 IP | Throws |
| 51. | LaTroy Hawkins (18, 39) | 1.0355 | R |
| 52. | Vicente Padilla (14, 34) | 1.0367 | R |
| 53. | Ben Sheets (10, 33) | 1.0372 | R |
| 54. | Dan Haren (10, 31) | 1.0503 | R |
| 55. | R.A. Dickey (10, 37) | 1.0535 | R |
| 56. | Joe Blanton (9, 31) | 1.0664 | R |
| 57. | Kyle Lohse (12, 33) | 1.0720 | R |
| 58. | Cole Hamels (7, 28) | 1.0787 | L |
| 59. | Jeff Francis (8, 31) | 1.0919 | L |
| 60. | Ricky Nolasco (7, 29) | 1.0994 | R |
| 61. | Freddy Garcia (14, 35) | 1.1004 | R |
| 62. | Bartolo Colon (15, 39) | 1.1056 | R |
| 63. | Kevin Correia (10, 31) | 1.1060 | R |
| 64. | Jason Marquis (13, 33) | 1.1229 | R |
| 65. | Joe Saunders (8, 31) | 1.1237 | L |
| 66. | James Shields (7, 30) | 1.1384 | R |
| 67. | Randy Wolf (14, 35) | 1.1389 | L |
| 68. | Jamie Moyer (25, 49) | 1.1532 | L |
| 69. | Aaron Harang (11, 34) | 1.1537 | R |
| 70. | Gavin Floyd (9, 29) | 1.1659 | R |
| 71. | Jeff Suppan (17, 37) | 1.1928 | R |
| 72. | Bronson Arroyo (13, 35) | 1.2222 | R |
| 73. | Ervin Santana (8, 29) | 1.2381 | R |
| 74. | Nate Robertson (9, 34) | 1.2496 | L |
| 75. | Chris Capuano (8, 33) | 1.2547 | L |
| 76. | Jeremy Guthrie (9, 33) | 1.2579 | R |
| 77. | Brett Myers (11, 31) | 1.2631 | R |
| 78. | Brett Tomko (14, 39) | 1.2638 | R |
| 79. | Dave Bush (8, 32) | 1.3090 | R |
| 80. | Oliver Perez (10, 30) | 1.3248 | L |
| 81. | Ted Lilly (14, 36) | 1.3273 | L |
| 82. | Rodrigo Lopez (11, 36) | 1.3460 | R |
| 83. | Ramon Ortiz (11, 39) | 1.4420 | R |
| 84. | Bruce Chen (14, 35) | 1.5527 | L |
| 85. | Scott Elarton (10, 36) | 1.6220 | R |