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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | H9 | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Kensaku Yamaguchi# | 6.5 | 2023-2025 | |
| 2 | Alex Claudio# | 6.7 | 2015-2025 | |
| 2 | Alex Reyes# | 6.7 | 2020-2025 | |
| 4 | Joe Gray# | 6.8 | 2023-2025 | |
| 4 | Justin De Fratus# | 6.8 | 2015-2024 | |
| 4 | Carter Capps# | 6.8 | 2015-2025 | |
| 7 | Kolby Allard# | 7.0 | 2020-2025 | |
| 8 | Jose Fernandez# | 7.3 | 2015-2025 | |
| 8 | Jose Urena# | 7.3 | 2018-2025 | |
| 10 | Jackson Kowar# | 7.5 | 2019-2025 | |
| 10 | Alex Wood# | 7.5 | 2015-2025 | |
| 10 | Jordan Walden# | 7.5 | 2015-2025 | |
| 13 | Chris Sale# | 7.7 | 2015-2025 | |
| 13 | Cole Hamels | 7.7 | 2015-2022 | |
| 13 | Zach Petrick# | 7.7 | 2018-2025 | |
| 16 | Anthony Molina# | 7.9 | 2022-2025 | |
| 17 | Jake Arrieta | 8.1 | 2015-2021 | |
| 17 | Matt Harvey | 8.1 | 2015-2023 | |
| 19 | Dan Stevens# | 8.2 | 2022-2025 | |
| 20 | Aaron Blair# | 8.3 | 2020-2025 | |
| 21 | Kelvin Herrera | 8.6 | 2015-2025 | |
| 22 | Matt Wisler# | 8.7 | 2016-2025 | |
| 22 | Zack Greinke | 8.7 | 2015-2018 | |
| 22 | Noah Murdock# | 8.7 | 2023-2025 | |
| 25 | Toby Kelly# | 8.9 | 2022-2025 | |
| 26 | Matt Krook# | 9.0 | 2020-2025 | |
| 27 | Sonny Gray# | 9.1 | 2015-2025 | |
| 27 | Jake Thompson# | 9.1 | 2018-2025 | |
| 29 | Madison Bumgarner# | 9.2 | 2015-2022 | |
| 30 | Grayson Garvin# | 9.3 | 2017-2025 | |
| 30 | Marcus Stroman# | 9.3 | 2015-2025 | |
| 30 | Jerad Eickhoff# | 9.3 | 2016-2025 | |
| 33 | Aaron Nola# | 9.5 | 2015-2025 | |
| 34 | Robby Stone# | 9.8 | 2020-2025 | |
| 34 | Shelby Miller# | 9.8 | 2015-2025 | |
| 36 | Masahiro Tanaka | 9.9 | 2015-2024 | |
| 37 | Noah Syndergaard# | 10.1 | 2015-2025 | |
| 38 | Aaron Slegers# | 10.3 | 2019-2025 | |
| 39 | Carlos Martinez | 10.5 | 2015-2023 | |
| 40 | Stephen Strasburg | 10.8 | 2015-2021 | |
| 41 | Ben Jordan# | 11.2 | 2021-2025 | |
| 42 | Takahiro Norimoto# | 12.8 | 2019-2025 | |
| 43 | Sandy Koufax# | 13.7 | 1955-2025 |
