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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | IP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | James Basil* | 14969.2 | 2008-2026 | |
| 2 | Gary Poole | 13677.2 | 2016-2031 | |
| 3 | Curtis Woodard | 12385.0 | 2010-2023 | |
| 4 | Jon Fullerton | 12201.0 | 2016-2028 | |
| 5 | Raúl Ortíz# | 12159.1 | 2021-2033 | |
| 6 | J.D. Closser | 12053.1 | 2003-2018 | |
| 7 | Ray Ash# | 11710.2 | 2020-2033 | |
| 8 | Ray Houston | 11706.2 | 2018-2033 | |
| 9 | Angel Molina | 11564.1 | 2006-2016 | |
| 10 | José Huerta# | 11184.2 | 2019-2033 | |
| 11 | Hector Gimenez | 11166.1 | 2007-2017 | |
| 12 | Chris Snyder | 11037.1 | 2006-2017 | |
| 13 | Michael Obrien | 10883.2 | 2008-2021 | |
| 14 | Yoritoki Morishita | 10582.2 | 2010-2024 | |
| 15 | Fred Schmaltz | 10489.1 | 2009-2021 | |
| 16 | Wilburn Nitz | 10351.2 | 2014-2027 | |
| 17 | John Buck | 10214.0 | 2004-2013 | |
| 18 | Pedro Colón# | 9808.1 | 2023-2033 | |
| 19 | Roberto Martínez# | 9727.0 | 2022-2033 | |
| 20 | Donald Johnson# | 9644.1 | 2024-2033 | |
| 21 | Nelson Fons | 8695.1 | 2013-2027 | |
| 22 | Howard Lockhart | 8645.1 | 2023-2032 | |
| 23 | Jason Hartley# | 8599.0 | 2020-2033 | |
| 24 | Clair Robertson | 7314.0 | 2010-2026 | |
| 25 | Jong-suk Park# | 7208.1 | 2022-2033 | |
| 26 | Ronny Paulino | 6631.2 | 2006-2017 | |
| 27 | Delaney Waters# | 6548.2 | 2023-2033 | |
| 28 | Adam Norman | 6537.0 | 2014-2027 | |
| 29 | Justin Knoedler | 6436.1 | 2006-2015 | |
| 30 | Richard Westerfield | 5738.2 | 2014-2029 | |
| 31 | Brian Schneider | 5635.2 | 2000-2013 | |
| 32 | Justin Huber | 5288.2 | 2006-2010 | |
| 33 | Brad Nelson | 5065.2 | 2006-2026 | |
| 34 | Ryan Jorgensen | 4833.0 | 2007-2015 | |
| 35 | Koyie Hill | 4656.0 | 2005-2015 | |
| 36 | Manny Ramirez | 4595.2 | 2006-2017 | |
| 37 | Garret Gentry | 4588.1 | 2005-2010 | |
| 38 | John Berg | 4085.2 | 2017-2022 | |
| 39 | Frank Diaz | 4025.2 | 2012-2021 | |
| 40 | Xiao-xuan Bian# | 3947.0 | 2025-2032 | |
| 41 | Phil Wilson | 3844.1 | 2016-2022 | |
| 42 | Dennis O'Donnell# | 3795.2 | 2025-2033 | |
| 43 | Carl Devos | 3741.0 | 2014-2024 | |
| 44 | Kevin Jones | 3598.0 | 2020-2031 | |
| 45 | Gabriel Romero | 3492.0 | 2008-2022 | |
| 46 | George Matthews | 3424.1 | 2019-2030 | |
| 47 | Rick Pierce# | 3184.0 | 2028-2033 | |
| 48 | Norishige Mizutani# | 3118.0 | 2030-2033 | |
| 49 | Willie O'Sullivan | 3034.0 | 2015-2026 | |
| 50 | Akihiko Kobayashi# | 2875.0 | 2029-2033 | |
| 51 | Craig Wilson | 2808.0 | 2001-2020 | |
| 52 | Gordon Ratzlaff | 2783.2 | 2019-2029 | |
| 53 | Jason Phillips | 2725.1 | 2001-2011 | |
| 54 | Paul Lo Duca | 2601.2 | 2005-2008 | |
| 55 | Ivan Rodriguez | 2503.1 | 1991-2007 | |
| 56 | Fredric Minick | 2363.2 | 2015-2022 | |
| 57 | Warren Bennett# | 2241.0 | 2028-2033 | |
| 58 | Will Nash | 2128.0 | 2020-2027 | |
| 59 | Ryan Doumit | 2036.1 | 2006-2015 |
