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| Career Post-Season OOBP Leaderboard | |
| * - Indicates Hall of Fame Bold - Indicates active player |
| Rank | Player | OOBP | IP | Years | Single Season Leaderboard |
| 1. | Ron Cook | .1771 | 27.3 | 1971-1981 | |
| 2. | Moe Drabowsky | .2065 | 26.0 | 1960-1968 | |
| 3. | Virgil Jester | .2231 | 31.3 | 1961-1961 | |
| 4. | Danny Frisella | .2288 | 40.7 | 1968-1979 | |
| 5. | Kevin Gross | .2341 | 65.7 | 1988-1990 | |
| 6. | Don Demola | .2371 | 109.0 | 1986-1990 | |
| 7. | Tom Glavine | .2400 | 53.0 | 1988-1990 | |
| 8. | Humberto Robinson | .2419 | 48.3 | 1955-1960 | |
| 9. | Warren Spahn * | .2447 | 25.0 | 1954-1954 | |
| 10. | Diego Segui | .2556 | 24.3 | 1963-1969 | |
| 11. | Bret Saberhagen | .2571 | 54.0 | 1988-1990 | |
| 12. | Juan Marichal * | .2573 | 228.6 | 1964-1972 | |
| 13. | George Lauzerique | .2579 | 56.0 | 1979-1983 | |
| 14. | Don Sutton | .2612 | 170.6 | 1966-1980 | |
| 15. | Bob Miller | .2619 | 151.7 | 1954-1962 | |
| 16. | Joey McLaughlin | .2626 | 92.7 | 1983-1988 | |
| 17. | Luis Deleon | .2633 | 90.3 | 1983-1990 | |
| 18. | Dave Geisel | .2644 | 44.7 | 1982-1987 | |
| 19. | Bud Daley | .2645 | 29.7 | 1965-1965 | |
| 20. | John Smiley | .2660 | 78.3 | 1988-1990 | |
| 21. | Dave Beard | .2663 | 41.7 | 1984-1990 | |
| 22. | Gary Nolan * | .2668 | 312.3 | 1968-1986 | |
| 23. | Dutch Henry | .2684 | 59.3 | 1931-1933 | |
| 24. | Russ Meyer | .2685 | 37.7 | 1952-1955 | |
| 25. | Paul Dean * | .2690 | 209.0 | 1934-1945 | |
| 26. | Lance Rautzhan | .2692 | 175.3 | 1979-1990 | |
| 27. | Rob Gardner | .2701 | 36.3 | 1970-1977 | |
| 28. | Bob Locker | .2710 | 27.3 | 1966-1968 | |
| 29. | Dick Baney | .2712 | 57.7 | 1975-1980 | |
| 30. | Chuck Stobbs * | .2722 | 316.0 | 1950-1968 | |
| 31. | Jamie Moyer | .2727 | 23.7 | 1988-1989 | |
| Cliff Melton * | .2727 | 78.7 | 1943-1946 | ||
| 33. | George Brunet | .2743 | 172.7 | 1959-1966 | |
| 34. | Kevin Kobel | .2748 | 57.3 | 1979-1988 | |
| 35. | Bob Logan | .2751 | 93.0 | 1941-1946 | |
| 36. | Ramon Monzant | .2755 | 101.3 | 1958-1963 | |
| 37. | Bob Ojeda | .2756 | 32.7 | 1986-1987 | |
| 38. | Brad Havens | .2766 | 47.3 | 1984-1990 | |
| Ken Raffensberger | .2766 | 23.0 | 1943-1943 | ||
| 40. | Joe Grzenda | .2785 | 20.3 | 1962-1965 | |
| 41. | Allan Anderson | .2788 | 26.3 | 1988-1990 | |
| 42. | Larry Sherry | .2792 | 40.7 | 1962-1969 | |
| 43. | Jim Kaat | .2796 | 140.3 | 1962-1971 | |
| Charley Root | .2796 | 23.0 | 1930-1930 | ||
| 45. | John Hiller | .2797 | 238.3 | 1965-1978 | |
| 46. | Tom Qualters | .2799 | 145.3 | 1963-1971 | |
| 47. | Sandy Koufax * | .2812 | 297.0 | 1958-1971 | |
| 48. | Denny McLain | .2821 | 39.7 | 1972-1974 | |
| 49. | Hugh Canavan | .2823 | 62.0 | 1930-1933 | |
| 50. | Rollie Fingers | .2823 | 83.3 | 1972-1977 |
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