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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OOPS | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Archie Esparza# | .5714 | 2025-2031 | |
| 2 | Roger Clemens* | .6064 | 1984-2006 | |
| 3 | Victor Moret | .6130 | 2003-2016 | |
| 4 | Wilford Chambers* | .6146 | 2006-2025 | |
| 5 | Bob Jenkins* | .6206 | 2008-2023 | |
| 6 | Gilberto Martínez# | .6223 | 2025-2031 | |
| 7 | Gregory Burke | .6284 | 2002-2013 | |
| 8 | Joe Sparks | .6318 | 2007-2019 | |
| 9 | Rick Snow# | .6402 | 2026-2031 | |
| 10 | Terrell Wade | .6412 | 1995-2010 | |
| 11 | Paul Hale# | .6436 | 2020-2031 | |
| 12 | Jake McGee | .6447 | 2015-2023 | |
| 13 | Ronald Moyer# | .6456 | 2023-2031 | |
| 14 | David Robertson | .6488 | 2011-2023 | |
| 15 | Kerry Wood | .6492 | 1998-2007 | |
| 16 | Lee Myers# | .6535 | 2019-2031 | |
| 17 | Mark Prior* | .6545 | 2002-2016 | |
| 18 | José Torres# | .6579 | 2026-2031 | |
| 19 | Santiago Herrera | .6595 | 2000-2018 | |
| 20 | Dan Woods# | .6601 | 2023-2031 | |
| 21 | Dave Dowden | .6602 | 2017-2027 | |
| 22 | Kevin Schaefer | .6618 | 2012-2023 | |
| 23 | Dwight Tucker | .6629 | 2011-2027 | |
| 24 | Zack Greinke* | .6633 | 2005-2020 | |
| 25 | Dan Wilkerson# | .6644 | 2023-2031 | |
| 26 | Juan Guzman* | .6648 | 1991-2005 | |
| 27 | Ian Richardson | .6675 | 2009-2019 | |
| 28 | Danny Patterson | .6680 | 1996-2010 | |
| 29 | Eddie Morgan* | .6691 | 2005-2019 | |
| 30 | Carlos Zambrano | .6698 | 2001-2019 | |
| 31 | Nolan Arnold | .6709 | 2011-2022 | |
| 32 | Joba Chamberlain | .6722 | 2012-2027 | |
| 33 | Juan Velázquez# | .6730 | 2025-2031 | |
| 34 | Bill Gill# | .6743 | 2023-2031 | |
| 35 | Mike Harkey | .6744 | 1988-2004 | |
| 36 | Dellin Betances | .6753 | 2012-2028 | |
| 37 | John Lambert# | .6763 | 2022-2031 | |
| 38 | Scott Kazmir | .6776 | 2004-2019 | |
| 39 | Randy D Johnson | .6778 | 1988-2003 | |
| 40 | Josh Johnson | .6785 | 2010-2018 | |
| 40 | Toki Nagai | .6785 | 2004-2015 | |
| 42 | Javier Vazquez* | .6786 | 1998-2013 | |
| 43 | Jeff Sawyer | .6789 | 2006-2018 | |
| 44 | Allen Bailey | .6807 | 2011-2023 | |
| 45 | Madison Bumgarner | .6809 | 2014-2031 | |
| 46 | Pedro J Martinez | .6833 | 1992-2007 | |
| 47 | Jesús Enríquez | .6838 | 2001-2015 | |
| 48 | Aaron Sele* | .6845 | 1993-2006 | |
| 49 | Gary Lefebvre | .6846 | 2002-2016 | |
| 50 | Garth Vaughn | .6861 | 2008-2020 | |
| 51 | Dave Pownall | .6872 | 2014-2027 | |
| 52 | Major Pixel | .6877 | 2007-2021 | |
| 53 | Mo Sanford | .6882 | 1991-2005 | |
| 54 | Roy Oswalt* | .6884 | 2001-2016 | |
| 55 | Ramon J Martinez | .6903 | 1988-2002 | |
| 56 | Roy Ward | .6909 | 2014-2026 | |
| 57 | Kevin Walters | .6912 | 2003-2015 | |
| 58 | Jeff Shoemaker# | .6914 | 2025-2031 | |
| 59 | Heath Bell | .6920 | 2004-2021 | |
| 60 | David Nied* | .6940 | 1992-2009 | |
| 61 | Ebby Calvin LaLoosh | .6941 | 2007-2018 | |
| 62 | Héctor Bernal# | .6950 | 2024-2031 | |
| 63 | Anthony Hunt | .6959 | 2016-2028 | |
| 64 | Hideo Nomo | .6960 | 1995-2003 | |
| 65 | Cole Hamels* | .6973 | 2007-2023 | |
| 66 | Carlos Jiménez# | .6974 | 2021-2031 | |
| 67 | Felix Hernandez | .6978 | 2009-2020 | |
| 68 | CC Sabathia* | .6979 | 2001-2019 | |
| 69 | Brandon Webb* | .6983 | 2004-2024 | |
| 70 | Paul Phelps | .6988 | 2014-2026 | |
| 71 | Roy Halladay* | .6994 | 1998-2014 | |
| 72 | Chip Blake# | .7005 | 2022-2030 | |
| 73 | Andy Ashby | .7006 | 1991-2002 | |
| 74 | Jesús Bravo# | .7013 | 2026-2031 | |
| 75 | Tony Saunders | .7014 | 1997-2012 | |
| 76 | William Pierce# | .7029 | 2025-2031 | |
| 77 | Wesley Wright | .7030 | 2013-2020 | |
| 78 | Eduard Fotachi# | .7032 | 2019-2031 | |
| 78 | Mike Hampton | .7032 | 1994-2009 | |
| 80 | Noah Lowry | .7039 | 2004-2015 | |
| 81 | Daron Maddox | .7040 | 2015-2027 | |
| 82 | Vicente Maldonado# | .7047 | 2025-2031 | |
| 83 | Michael Barry | .7057 | 2015-2027 | |
| 84 | Scott Sanders | .7059 | 1993-2007 | |
| 85 | Mark Jones | .7067 | 2009-2021 | |
| 86 | Stan Combs# | .7068 | 2023-2031 | |
| 86 | Scott Randall | .7068 | 2003-2020 | |
| 88 | Roger Bailey | .7069 | 2003-2014 | |
| 89 | Chris Carpenter | .7073 | 1997-2009 | |
| 90 | Greg Keagle | .7074 | 1996-2006 | |
| 91 | Eric Hurley | .7079 | 2007-2020 | |
| 92 | Brad Clontz | .7081 | 1995-2009 | |
| 93 | Carl Pavano | .7084 | 1998-2012 | |
| 94 | Raúl Aguilar# | .7087 | 2020-2031 | |
| 95 | Esteban Loaiza | .7095 | 1995-2006 | |
| 96 | Erik Bedard | .7096 | 2004-2013 | |
| 97 | Rodney Sánchez# | .7102 | 2022-2031 | |
| 98 | Chad Qualls | .7106 | 2006-2020 | |
| 99 | Jason Ellis | .7108 | 2013-2027 | |
| 99 | Ismael Valdez* | .7108 | 1994-2010 |
