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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OOBP | YEAR | Open Postseason Career Leaderboard |
|---|---|---|---|---|
| 1 | Mark W Davis | .1864 | 1986 | |
| 2 | Dennis Eckersley | .2034 | 1981 | |
| 3 | Jose DeLeon | .2065 | 1989 | |
| 4 | Ed Brandt# | .2077 | 1989 | |
| 5 | Al Orth# | .2097 | 1993 | |
| 6 | Christy Mathewson# | .2167 | 1997 | |
| 7 | John Denny | .2192 | 1987 | |
| 8 | Mario Soto | .2195 | 1983 | |
| 9 | Paul Derringer# | .2222 | 1999 | |
| 10 | Don Robinson | .2254 | 1980 | |
| 11 | Roger Clemens# | .2258 | 1982 | |
| 12 | Frank Tanana | .2273 | 1986 | |
| 13 | Vinegar Bend Mizell# | .2281 | 1994 | |
| 13 | Scott McGregor | .2281 | 1981 | |
| 15 | Jim Beattie | .2286 | 1984 | |
| 16 | Patrick Corbin | .2339 | 1985 | |
| 17 | Rick Rhoden | .2344 | 1983 | |
| 18 | Jerry Reuss | .2353 | 1981 | |
| 19 | Patrick Corbin | .2373 | 1989 | |
| 20 | LaMarr Hoyt | .2381 | 1987 | |
| 20 | Charlie Lea | .2381 | 1984 | |
| 22 | Jack McDowell | .2414 | 1986 | |
| 23 | Mario Soto | .2421 | 1982 | |
| 24 | Burt Hooton | .2429 | 1982 | |
| 25 | Fernando Valenzuela* | .2436 | 1983 | |
| 26 | Storm Davis# | .2439 | 1996 | |
| 27 | Jim Bunning# | .2455 | 1998 | |
| 28 | Pete Vuckovich | .2462 | 1981 | |
| 29 | Mario Soto | .2484 | 1985 | |
| 30 | Scott Sanderson | .2500 | 1980 | |
| 30 | Happy Townsend# | .2500 | 1992 | |
| 30 | John Tudor | .2500 | 1986 | |
| 33 | Vinegar Bend Mizell# | .2512 | 1990 | |
| 34 | Scott T Baker | .2537 | 1988 | |
| 35 | Masahiro Tanaka | .2542 | 1986 | |
| 36 | Mike Scott | .2557 | 1986 | |
| 37 | Dan Haren# | .2558 | 1994 | |
| 38 | Jose DeLeon | .2560 | 1987 | |
| 39 | Bill Wise# | .2568 | 1990 | |
| 40 | Fernando Valenzuela* | .2578 | 1986 | |
| 41 | Frank Browning# | .2593 | 1994 | |
| 42 | Fernando Valenzuela* | .2609 | 1984 | |
| 43 | Hal Newhouser# | .2639 | 1999 | |
| 44 | Jordan M Zimmermann# | .2640 | 1993 | |
| 45 | Van Mungo# | .2647 | 1994 | |
| 45 | Dave Righetti# | .2647 | 1994 | |
| 45 | Bob Welch | .2647 | 1989 | |
| 48 | Al Mamaux# | .2650 | 1999 | |
| 49 | Scott Sanderson | .2658 | 1981 | |
| 50 | Moose Haas | .2672 | 1985 | |
| 51 | Bill Wise# | .2685 | 1992 | |
| 52 | Dennis Martinez | .2687 | 1988 | |
| 53 | Roger Clemens# | .2692 | 1984 | |
| 53 | J R Richard | .2692 | 1984 | |
| 53 | Jeff Weaver# | .2692 | 1994 | |
| 56 | Bob Knepper | .2694 | 1986 | |
| 57 | Ernie Broglio# | .2698 | 1995 | |
| 58 | Patrick Corbin | .2727 | 1984 | |
| 58 | Floyd Bannister | .2727 | 1980 | |
| 58 | Bob Welch | .2727 | 1987 | |
| 58 | Kenta Maeda | .2727 | 1987 | |
| 62 | John Tudor | .2734 | 1984 | |
| 63 | Floyd Bannister | .2742 | 1981 | |
| 64 | Jack Fisher# | .2754 | 1999 | |
| 64 | Britt Burns | .2754 | 1985 | |
| 66 | Ben Sheets# | .2759 | 1993 | |
| 67 | LaMarr Hoyt | .2762 | 1986 | |
| 68 | Jim Bunning# | .2763 | 1999 | |
| 69 | Tommy Bond# | .2766 | 1997 | |
| 70 | Floyd Bannister | .2769 | 1982 | |
| 71 | Fernando Valenzuela* | .2771 | 1982 | |
| 72 | Happy Townsend# | .2772 | 1984 | |
| 72 | Fernando Valenzuela* | .2772 | 1985 | |
| 74 | Jack Fisher# | .2778 | 1998 | |
| 74 | Heinie Berger# | .2778 | 1996 | |
| 76 | Frank Browning# | .2784 | 1992 | |
| 77 | Ben Sheets# | .2786 | 1994 | |
| 78 | Dave LaPoint | .2791 | 1982 | |
| 79 | Jack Morris | .2793 | 1987 | |
| 80 | Floyd Bannister | .2794 | 1983 | |
| 81 | Bob Knepper | .2795 | 1983 | |
| 82 | Lefty Grove# | .2806 | 1987 | |
| 83 | Steve Trout | .2813 | 1980 | |
| 83 | John Denny | .2813 | 1984 | |
| 85 | Pascual Perez | .2818 | 1988 | |
| 86 | Doyle Alexander | .2836 | 1987 | |
| 86 | Pascual Perez | .2836 | 1985 | |
| 88 | Rick Rhoden | .2848 | 1984 | |
| 89 | Bruce Hurst | .2857 | 1988 | |
| 89 | Arlie Pond# | .2857 | 1996 | |
| 89 | Tommy Bond# | .2857 | 1996 | |
| 92 | Bill Wise# | .2874 | 1991 | |
| 92 | Nolan Ryan | .2874 | 1983 | |
| 94 | Len Barker | .2875 | 1982 | |
| 94 | Carlos Zambrano# | .2875 | 1995 | |
| 96 | Bob Stoddard | .2877 | 1987 | |
| 97 | Bruce Berenyi | .2880 | 1984 | |
| 97 | Steve Carlton | .2880 | 1981 | |
| 99 | Don Robinson | .2889 | 1984 | |
| 100 | Scott T Baker | .2895 | 1989 |
