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|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WHIP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Ed Armstrong# | 0.76 | 2016-2019 | |
| 2 | Carlos Ruíz | 0.77 | 2012-2015 | |
| 3 | John Stroud# | 0.84 | 2017-2020 | |
| 4 | Ray Weeks | 0.85 | 2016-2019 | |
| 5 | Aaron Taylor | 0.89 | 2012-2015 | |
| 6 | Howard Poole | 0.92 | 2016-2019 | |
| 6 | António Navarro# | 0.92 | 2016-2019 | |
| 8 | Eliot Moreau# | 0.94 | 2018-2021 | |
| 8 | John Slater | 0.94 | 2014-2017 | |
| 8 | Ed Lott | 0.94 | 2012-2015 | |
| 8 | Bob Hill | 0.94 | 2016-2019 | |
| 12 | Bob Doss | 0.95 | 2022-2025 | |
| 12 | Kevin Landry | 0.95 | 2012-2015 | |
| 12 | John Jones | 0.95 | 2012-2016 | |
| 15 | Paul Wise | 0.98 | 2016-2019 | |
| 15 | Richard Rogers | 0.98 | 2012-2016 | |
| 17 | Will Caron# | 0.99 | 2018-2021 | |
| 18 | Ruberto Laranjeira | 1.00 | 2017-2020 | |
| 18 | Rob Young | 1.00 | 2012-2015 | |
| 20 | Jonathan Martin# | 1.01 | 2012-2015 | |
| 21 | Jorge López | 1.02 | 2018-2021 | |
| 22 | William Kramer | 1.03 | 2022-2025 | |
| 23 | Jesús Ramírez | 1.04 | 2012-2015 | |
| 24 | Anthony McIntyre# | 1.05 | 2017-2020 | |
| 25 | Craig Cameron | 1.06 | 2017-2020 | |
| 25 | Jason Davis | 1.06 | 2015-2018 | |
| 25 | Jesús Feliciano | 1.06 | 2012-2015 | |
| 28 | Michael Moyer# | 1.07 | 2018-2021 | |
| 28 | Chris Hastings | 1.07 | 2017-2020 | |
| 30 | Tom O'Day# | 1.08 | 2012-2016 | |
| 31 | Tony Baltiérrez | 1.09 | 2015-2018 | |
| 32 | Stan Bond | 1.10 | 2016-2019 | |
| 33 | Manuel García | 1.11 | 2017-2020 | |
| 33 | Ken Lutz | 1.11 | 2017-2020 | |
| 35 | Jim Hall | 1.13 | 2012-2015 | |
| 36 | Richard Stevenson | 1.14 | 2012-2015 | |
| 37 | Jim Lyons | 1.15 | 2012-2015 | |
| 37 | Larry Anderson | 1.15 | 2012-2015 | |
| 39 | Eric Edwards | 1.17 | 2016-2019 | |
| 39 | William Howard | 1.17 | 2012-2015 | |
| 39 | Luis Martínez | 1.17 | 2016-2019 | |
| 39 | Chris Johnson | 1.17 | 2018-2021 | |
| 43 | Gabriel Núñez# | 1.18 | 2018-2021 | |
| 44 | Rod Crowe | 1.19 | 2015-2018 | |
| 45 | Stephen Harding | 1.20 | 2016-2019 | |
| 45 | Aaron Simmons | 1.20 | 2012-2015 | |
| 47 | Félix Ortíz | 1.21 | 2012-2015 | |
| 47 | Bryan Peterson | 1.21 | 2012-2016 | |
| 49 | Nazeli Salatinian | 1.22 | 2017-2020 | |
| 49 | Bill Barnes | 1.22 | 2017-2020 | |
| 51 | Jeffrey Allison | 1.23 | 2015-2018 | |
| 52 | Luis Peña | 1.24 | 2016-2019 | |
| 53 | Jon Morris | 1.25 | 2015-2018 | |
| 54 | Pedro Díaz | 1.26 | 2012-2016 | |
| 55 | Jake Robinson | 1.27 | 2012-2016 | |
| 56 | José Espinosa | 1.28 | 2021-2024 | |
| 56 | Carlos Díaz | 1.28 | 2012-2015 | |
| 58 | Bill George | 1.29 | 2016-2019 | |
| 58 | Theodore Foster | 1.29 | 2012-2015 | |
| 60 | Gustavo Sánchez | 1.31 | 2016-2019 | |
| 60 | Jesús Castillo | 1.31 | 2015-2018 | |
| 62 | Randall Stevenson | 1.33 | 2017-2020 | |
| 63 | Iván Santos | 1.34 | 2012-2015 | |
| 63 | Lewis Hunter | 1.34 | 2014-2017 | |
| 65 | Manuel Zambrano | 1.35 | 2012-2015 | |
| 66 | Leon Hemphill | 1.36 | 2017-2020 | |
| 67 | Troy Davis | 1.37 | 2012-2016 | |
| 67 | Will Wood | 1.37 | 2012-2016 | |
| 67 | Juan García | 1.37 | 2015-2018 | |
| 70 | Arthur Trail | 1.38 | 2015-2018 | |
| 71 | Cliff Smith | 1.41 | 2012-2016 | |
| 72 | Robinson García | 1.43 | 2012-2016 | |
| 73 | Joe Conway | 1.46 | 2012-2016 | |
| 74 | Jude Anderson | 1.47 | 2016-2019 | |
| 75 | Sandy Carey | 1.54 | 2012-2015 |
