 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WHIP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Terry Boutilier | 1.14 | 2034-2043 | |
| 2 | Jonathan Hewes | 1.16 | 1995-2008 | |
| 3 | Nelson Hernández | 1.19 | 2036-2040 | |
| 4 | Raúl Silva | 1.20 | 2040-2054 | |
| 4 | José Fernández | 1.20 | 2018-2026 | |
| 6 | Chris Thompson | 1.22 | 2010-2016 | |
| 6 | Tomás Romero | 1.22 | 2018-2031 | |
| 6 | Lanny MacFadden | 1.22 | 2009-2021 | |
| 9 | George Esparza | 1.23 | 1996-2005 | |
| 10 | Arthur Wiggins | 1.24 | 1998-2010 | |
| 11 | Freddie Montano | 1.25 | 1995-2002 | |
| 11 | José López | 1.25 | 2036-2046 | |
| 11 | Dave Hendrickson | 1.25 | 2010-2016 | |
| 14 | Vicente Ramírez | 1.26 | 2002-2012 | |
| 14 | Juan Reyes | 1.26 | 2036-2048 | |
| 16 | Len Harris | 1.27 | 2000-2011 | |
| 17 | Marvin Smith | 1.28 | 1997-2012 | |
| 18 | Pedro Cerni | 1.29 | 2032-2036 | |
| 18 | Pete Decker | 1.29 | 1999-2005 | |
| 18 | António Barrios | 1.29 | 2037-2045 | |
| 21 | Juan Gonzáles | 1.30 | 2003-2013 | |
| 22 | Alfonso Guillén# | 1.31 | 2046-2055 | |
| 22 | Raúl Calderón | 1.31 | 2039-2045 | |
| 24 | José Núñez# | 1.32 | 2046-2054 | |
| 24 | Sun-wei Yao | 1.32 | 1996-2001 | |
| 24 | Cary Bogen | 1.32 | 1995-2005 | |
| 27 | Armando Garza# | 1.33 | 2046-2052 | |
| 27 | Rudolph Garnica | 1.33 | 1997-2002 | |
| 27 | Hud Bannon# | 1.33 | 2045-2053 | |
| 30 | Aaron Boyce# | 1.34 | 2052-2057 | |
| 30 | Tadamichi Yoshida | 1.34 | 2035-2051 | |
| 30 | Cristián Martínez | 1.34 | 2018-2030 | |
| 30 | Félix Jiménez | 1.34 | 2041-2045 | |
| 34 | John Campbell Jr. | 1.35 | 2028-2036 | |
| 34 | Luuk van den Hoek | 1.35 | 2033-2043 | |
| 34 | Dayasagara Suryanarayan | 1.35 | 2046-2052 | |
| 34 | Todd Demko | 1.35 | 1995-2005 | |
| 38 | Tim Mobley | 1.36 | 2023-2032 | |
| 39 | Carl Renaud | 1.37 | 1997-2009 | |
| 40 | António López | 1.38 | 2044-2049 | |
| 41 | Carlos Martinez | 1.39 | 1995-2001 | |
| 42 | Ferdy Ruano | 1.41 | 1995-2000 | |
| 43 | Hungary Denk | 1.42 | 2033-2039 | |
| 44 | Javier Bautista | 1.44 | 2019-2032 | |
| 44 | Clarence Mitchell | 1.44 | 1997-2008 | |
| 46 | Carlos Jones | 1.46 | 2036-2042 | |
| 47 | Geoff Henry | 1.48 | 2004-2015 | |
| 47 | Ernest Wells | 1.48 | 2005-2015 | |
| 49 | Ray Moore | 1.49 | 2002-2009 | |
| 49 | Robert Bernard | 1.49 | 2004-2009 | |
| 51 | Jorge Nava | 1.50 | 2032-2038 | |
| 51 | Manny Alfonso | 1.50 | 1996-2007 | |
| 51 | Ramón Villarreal | 1.50 | 2019-2025 | |
| 54 | José Bonilla | 1.52 | 2037-2043 | |
| 55 | Edwin Barbieri | 1.57 | 1995-2005 | |
| 56 | Quincy Hill | 1.70 | 2043-2049 |
