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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OOBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Tony Soto# | .2494 | 2088-2098 | |
| 2 | Addie Joss* | .2511 | 1902-1910 | |
| 3 | Terry Larkin | .2537 | 1878-1879 | |
| 4 | Ed Walsh* | .2576 | 1904-1917 | |
| 5 | Jimmy Ward | .2606 | 2048-2059 | |
| 6 | Jim Whitney | .2612 | 1881-1885 | |
| 7 | Matt Gilman* | .2615 | 2051-2071 | |
| 8 | Leo Monrreal* | .2616 | 2031-2044 | |
| 9 | Larry Corcoran | .2621 | 1880-1886 | |
| 10 | Mariano Rivera* | .2627 | 1995-2013 | |
| 11 | Mario Segura* | .2663 | 2060-2080 | |
| 12 | Jose Rubio* | .2665 | 2060-2079 | |
| 13 | Paul Tate | .2669 | 2052-2062 | |
| 14 | Christy Mathewson* | .2676 | 1900-1916 | |
| 15 | Kenley Jansen | .2677 | 2010-2026 | |
| 16 | Chris Hafer# | .2680 | 2091-2098 | |
| 17 | Trevor Hoffman | .2684 | 1993-2010 | |
| 18 | Mordecai Brown* | .2690 | 1903-1916 | |
| 19 | Chris Flores | .2691 | 2060-2071 | |
| 20 | Javier Covarrubias* | .2695 | 2061-2077 | |
| 21 | Charlie Ferguson | .2699 | 1884-1887 | |
| 22 | Evan Parker* | .2700 | 2070-2086 | |
| 23 | Sean Lebron | .2708 | 2061-2073 | |
| 24 | Salvador Calderon | .2709 | 2044-2055 | |
| 25 | Tim Huebert | .2714 | 2023-2040 | |
| 26 | Cody Allen | .2716 | 2012-2029 | |
| 27 | Asher Robert* | .2719 | 2057-2072 | |
| 28 | Jason Williams# | .2721 | 2093-2098 | |
| 29 | Walter Johnson* | .2728 | 1907-1927 | |
| 30 | Brian Clouse | .2732 | 2047-2060 | |
| 31 | Jeremy LeVan | .2733 | 2053-2064 | |
| 32 | Tommy Bond | .2737 | 1877-1881 | |
| 33 | Sandy Koufax* | .2740 | 1955-1966 | |
| 34 | Tim Keefe* | .2744 | 1880-1893 | |
| 35 | Pedro Martinez* | .2747 | 1992-2009 | |
| 36 | Clayton Kershaw* | .2750 | 2008-2029 | |
| 37 | Jon Hartman | .2752 | 2046-2062 | |
| 38 | Charley Radbourn* | .2755 | 1881-1891 | |
| 39 | Juan Marichal* | .2757 | 1960-1975 | |
| 40 | Deivi Garcia* | .2759 | 2020-2035 | |
| 41 | Fred Goldsmith | .2762 | 1880-1884 | |
| 42 | Jonathan Papelbon | .2763 | 2005-2022 | |
| 43 | Deacon Phillippe | .2767 | 1900-1911 | |
| 44 | Brian Anderson | .2771 | 2052-2066 | |
| 45 | Nick Altrock | .2775 | 1902-1933 | |
| 46 | Babe Adams | .2777 | 1906-1926 | |
| 47 | Alex Batista* | .2778 | 2058-2073 | |
| 48 | Brian Casey* | .2780 | 2048-2061 | |
| 49 | Sean Pester | .2781 | 2042-2052 | |
| 50 | Brian Jones | .2783 | 2061-2075 | |
| 51 | Andy Mediate | .2784 | 2070-2088 | |
| 52 | Rube Waddell* | .2788 | 1900-1910 | |
| 52 | Josh Burkhart | .2788 | 2060-2071 | |
| 54 | Bobby Peron | .2789 | 2028-2044 | |
| 55 | Yunior Perez* | .2792 | 2021-2037 | |
| 56 | Ken Giles | .2801 | 2014-2030 | |
| 57 | Dick Hall | .2804 | 1952-1971 | |
| 58 | Alex Barrios | .2805 | 2072-2087 | |
| 59 | Frank Owen | .2806 | 1901-1909 | |
| 59 | Fred Glade | .2806 | 1902-1908 | |
| 61 | Nick Cerqueira | .2807 | 2055-2066 | |
| 62 | Tony Vicente | .2810 | 2085-2097 | |
| 62 | Braxton Janke | .2810 | 2046-2060 | |
| 64 | Reb Russell | .2811 | 1913-1923 | |
| 65 | Danny Fonseca | .2814 | 2028-2041 | |
| 65 | Pete Alexander* | .2814 | 1911-1930 | |
| 67 | Jeurys Familia | .2817 | 2012-2032 | |
| 68 | Armando Almodovar* | .2819 | 2020-2035 | |
| 68 | Cy Young* | .2819 | 1890-1911 | |
| 68 | Carlos Rojas | .2819 | 2026-2035 | |
| 71 | Chris Sale* | .2822 | 2010-2025 | |
| 72 | Johan Santana | .2823 | 2000-2012 | |
| 73 | Tom Seaver* | .2824 | 1967-1986 | |
| 73 | Aroldis Chapman | .2824 | 2010-2030 | |
| 75 | Charlie Buffinton | .2828 | 1882-1889 | |
| 75 | Chief Bender* | .2828 | 1903-1925 | |
| 77 | Jordan Foster | .2829 | 2070-2086 | |
| 78 | Pud Galvin* | .2830 | 1875-1892 | |
| 79 | Noel Murch* | .2831 | 2039-2057 | |
| 80 | Joe Wood | .2833 | 1908-1922 | |
| 81 | Noodles Hahn | .2834 | 1899-1906 | |
| 81 | Catfish Hunter* | .2834 | 1965-1979 | |
| 83 | Juan Fernandez* | .2835 | 2053-2066 | |
| 84 | Steve Coutts | .2838 | 2077-2094 | |
| 84 | Brad Trammell | .2838 | 2051-2060 | |
| 84 | Juan Ortiz | .2838 | 2050-2064 | |
| 87 | Rich Mathieu | .2840 | 2065-2077 | |
| 87 | Curt Schilling | .2840 | 1988-2007 | |
| 89 | Don Sutton* | .2841 | 1966-1988 | |
| 90 | Jack Pfiester | .2842 | 1903-1911 | |
| 91 | Gary Nolan | .2845 | 1967-1977 | |
| 92 | Tommy Culbertson | .2848 | 2021-2038 | |
| 92 | Frank Smith | .2848 | 1904-1912 | |
| 92 | Manuel Carrego | .2848 | 2080-2096 | |
| 95 | Jon Hoch | .2849 | 2076-2091 | |
| 96 | Roger Diaz# | .2851 | 2090-2098 | |
| 96 | Sid Fernandez | .2851 | 1983-1997 | |
| 98 | Hoyt Wilhelm* | .2853 | 1952-1972 | |
| 98 | Sean Sherman | .2853 | 2082-2097 | |
| 100 | Andy Messersmith | .2854 | 1968-1979 |
