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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WHIP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Alonso Muñóz | 0.91 | 2014-2030 | |
| 2 | Tomás Enríquez | 0.96 | 2015-2030 | |
| 2 | Manuel Ramírez | 0.96 | 2007-2014 | |
| 4 | António Lima# | 0.98 | 2029-2039 | |
| 5 | Juan Castro# | 1.03 | 2013-2039 | |
| 6 | Arturo Acevedo# | 1.04 | 2030-2034 | |
| 7 | Alfredo Gonzáles# | 1.05 | 2027-2031 | |
| 8 | Alberto Guerra# | 1.07 | 2030-2039 | |
| 9 | Valentim Ornelas | 1.08 | 2015-2021 | |
| 9 | Carlos Martínez# | 1.08 | 2033-2039 | |
| 9 | Félix Villalobas# | 1.08 | 2024-2039 | |
| 9 | Emílio Torres# | 1.08 | 2017-2039 | |
| 13 | Pedro Garza | 1.09 | 2025-2034 | |
| 13 | Álex Martínez | 1.09 | 2009-2017 | |
| 15 | Roberto Sánchez# | 1.10 | 2023-2039 | |
| 16 | Martín Silva | 1.11 | 2025-2039 | |
| 16 | Ricardo Martínez | 1.11 | 2027-2034 | |
| 16 | Eduardo Romano | 1.11 | 2011-2021 | |
| 16 | Ramón Villalobos# | 1.11 | 2028-2039 | |
| 20 | Júlio Torres | 1.13 | 2022-2028 | |
| 21 | Norris Moncreiff | 1.14 | 2010-2016 | |
| 21 | Carlos Domínguez# | 1.14 | 2027-2039 | |
| 23 | Manny Rodríguez# | 1.15 | 2019-2039 | |
| 24 | Luis Mendoza# | 1.16 | 2033-2039 | |
| 24 | Julián Alaniz# | 1.16 | 2029-2039 | |
| 24 | Pedro Ramírez# | 1.16 | 2027-2039 | |
| 24 | Pedro Reyes# | 1.16 | 2025-2039 | |
| 28 | Jesús Muñóz# | 1.17 | 2026-2039 | |
| 28 | José Campos# | 1.17 | 2030-2039 | |
| 28 | Héctor Molina# | 1.17 | 2031-2039 | |
| 28 | José Vega# | 1.17 | 2023-2039 | |
| 28 | Alfonso Martínez | 1.17 | 2020-2025 | |
| 28 | José Prieto# | 1.17 | 2030-2039 | |
| 34 | José Bernal# | 1.18 | 2032-2039 | |
| 34 | Arturo Luna# | 1.18 | 2029-2039 | |
| 34 | Carlos Flores# | 1.18 | 2030-2039 | |
| 37 | Júlio Ramos# | 1.19 | 2033-2039 | |
| 37 | Pancho Gómez# | 1.19 | 2030-2039 | |
| 37 | Diego Quiñones# | 1.19 | 2033-2039 | |
| 37 | Carlos Moreno | 1.19 | 2007-2012 | |
| 37 | Bernardo Sánchez# | 1.19 | 2030-2039 | |
| 37 | Rafael Diéguez# | 1.19 | 2025-2039 | |
| 43 | Luis Robles# | 1.20 | 2030-2039 | |
| 43 | Raúl Canseco# | 1.20 | 2023-2039 | |
| 43 | Francisco Aguilar# | 1.20 | 2032-2039 | |
| 46 | António Flores# | 1.21 | 2028-2039 | |
| 46 | Vincente Durán | 1.21 | 2019-2033 | |
| 48 | Sergio Pinzón# | 1.22 | 2029-2039 | |
| 48 | José Pérez# | 1.22 | 2028-2039 | |
| 48 | Pedro Chávez | 1.22 | 2007-2023 | |
| 48 | Manuel Muñóz# | 1.22 | 2027-2039 | |
| 52 | Ricardo Martínez# | 1.23 | 2024-2039 | |
| 52 | Rodrigo Hernández# | 1.23 | 2031-2039 | |
| 52 | Sergio Trevino# | 1.23 | 2031-2039 | |
| 55 | Héctor Pérez | 1.24 | 2011-2031 | |
| 55 | Manny Flores# | 1.24 | 2027-2039 | |
| 55 | Jorge Ruíz | 1.24 | 2009-2029 | |
| 55 | Raúl Pacheco | 1.24 | 2025-2038 | |
| 59 | Santiago Benítez# | 1.25 | 2028-2039 | |
| 59 | Ramón Torres# | 1.25 | 2029-2039 | |
| 61 | Javier Sousa | 1.26 | 2011-2021 | |
| 61 | Ramón Días# | 1.26 | 2030-2039 | |
| 63 | António Soto# | 1.27 | 2030-2039 | |
| 63 | Roberto Alonaso# | 1.27 | 2030-2039 | |
| 63 | Roberto Cruz | 1.27 | 2023-2029 | |
| 66 | Rubén Mejía# | 1.28 | 2027-2039 | |
| 66 | César Soto | 1.28 | 2015-2030 | |
| 66 | Norm Hawk | 1.28 | 2007-2013 | |
| 69 | Carlos Rivera# | 1.29 | 2029-2039 | |
| 69 | Juan Gamboa | 1.29 | 2022-2038 | |
| 69 | António Rodríguez# | 1.29 | 2027-2039 | |
| 72 | Octávio Rivera# | 1.30 | 2022-2039 | |
| 72 | Armando Tapia | 1.30 | 2007-2012 | |
| 72 | Preston Bell | 1.30 | 2015-2021 | |
| 72 | Jesús Sánchez# | 1.30 | 2030-2039 | |
| 72 | Juan Cora# | 1.30 | 2030-2039 | |
| 72 | Carlos Cosme# | 1.30 | 2029-2039 | |
| 72 | Juan Rodríguez | 1.30 | 2017-2027 | |
| 79 | Cristián Delanoval# | 1.31 | 2030-2039 | |
| 79 | Lúcio Saldaña# | 1.31 | 2023-2034 | |
| 79 | Sergio López | 1.31 | 2016-2026 | |
| 79 | Oliver Morales | 1.31 | 2021-2030 | |
| 79 | Israel Villarreal | 1.31 | 2007-2018 | |
| 84 | Armando Luna# | 1.32 | 2028-2039 | |
| 84 | Manuel Arroyo | 1.32 | 2015-2036 | |
| 86 | Juan Flores# | 1.33 | 2025-2039 | |
| 87 | Bernardo Vigil# | 1.34 | 2026-2039 | |
| 87 | Héctor Ordóñez# | 1.34 | 2026-2039 | |
| 89 | Juan Cardenas | 1.35 | 2012-2030 | |
| 89 | José Vargas# | 1.35 | 2027-2039 | |
| 91 | David Bienavides# | 1.36 | 2031-2037 | |
| 91 | Félix Martínez | 1.36 | 2007-2015 | |
| 93 | Arturo García | 1.37 | 2007-2023 | |
| 93 | Ronald Dennis | 1.37 | 2008-2015 | |
| 95 | Juan Mateo | 1.38 | 2011-2030 | |
| 95 | Manny Ríos# | 1.38 | 2030-2039 | |
| 95 | Pedro Concepción | 1.38 | 2011-2018 | |
| 98 | Juan Barrón# | 1.39 | 2030-2039 | |
| 98 | Félix López# | 1.39 | 2027-2039 | |
| 98 | Fernando Ríos | 1.39 | 2014-2021 |
