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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Mo Zhou# | .5439 | 2024 | |
| 2 | Carlos Kramer# | .4780 | 2020 | |
| 3 | Carroll Kline# | .4535 | 2022 | |
| 4 | César Muńóz# | .4247 | 2024 | |
| 5 | Francis Kelly# | .4114 | 2022 | |
| 6 | Ronnie Cleveland# | .4058 | 2020 | |
| 7 | Roy Herring# | .3978 | 2024 | |
| 8 | Alex Niemann# | .3967 | 2024 | |
| 9 | Isaac Downey# | .3958 | 2025 | |
| 10 | Félix De La Hoya# | .3904 | 2024 | |
| 11 | Harry Reynolds | .3788 | 2020 | |
| 12 | Stephen Baird# | .3758 | 2022 | |
| 13 | David Ramírez# | .3741 | 2021 | |
| 14 | Stephen Baird# | .3692 | 2023 | |
| 15 | Bob Curry# | .3662 | 2021 | |
| 16 | Bryce Bancroft# | .3646 | 2023 | |
| 17 | Júlio López | .3603 | 2022 | |
| 18 | Zong-yuan Fung# | .3481 | 2022 | |
| 19 | Ben Anderson# | .3324 | 2020 | |
| 20 | César Muńóz# | .3292 | 2022 | |
| 21 | António Jiménez# | .3277 | 2023 | |
| 22 | Alex Niemann# | .3177 | 2023 | |
| 23 | Jesús Martínez# | .3093 | 2025 | |
| 24 | Manuel Martínez# | .3086 | 2020 | |
| 25 | António Jiménez# | .3035 | 2024 | |
| 26 | Allen George | .2986 | 2020 | |
| 27 | Bob Curry# | .2866 | 2025 | |
| 28 | Manuel Martínez# | .2660 | 2024 | |
| 29 | Cale Beazley | .2486 | 2020 | |
| 30 | Ramón Ávila# | .2387 | 2025 |
