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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | George Valentine | .6553 | 2014 | |
| 2 | George Valentine | .6304 | 2015 | |
| 3 | Tony Dyer# | .6224 | 2014 | |
| 4 | John Downing# | .6176 | 2018 | |
| 5 | Tony Dyer# | .6115 | 2017 | |
| 6 | Tony Dyer# | .6042 | 2016 | |
| 7 | John Downing# | .5952 | 2015 | |
| 8 | John Downing# | .5934 | 2014 | |
| 9 | John Downing# | .5867 | 2013 | |
| 10 | Tony Dyer# | .5843 | 2018 | |
| 11 | Albert Morán# | .5640 | 2023 | |
| 12 | Júlio Gruzmán | .5591 | 2018 | |
| 13 | Júlio Gruzmán | .5582 | 2013 | |
| 14 | Jeffrey Barker | .5548 | 2016 | |
| 15 | Júlio Gruzmán | .5489 | 2017 | |
| 16 | Taikan Miura | .5467 | 2017 | |
| 17 | Robbie Roach# | .5440 | 2017 | |
| 18 | Albert Morán# | .5426 | 2019 | |
| 19 | John Downing# | .5363 | 2019 | |
| 20 | Leonardo López# | .5294 | 2013 | |
| 21 | Wilfred McLaughlin# | .5268 | 2021 | |
| 22 | Júlio Gruzmán | .5262 | 2014 | |
| 23 | Yong-oon Yi# | .5256 | 2018 | |
| 24 | Tony Dyer# | .5248 | 2013 | |
| 25 | Tony Dyer# | .5241 | 2019 | |
| 26 | Neil Lawson# | .5237 | 2022 | |
| 27 | Wilfred McLaughlin# | .5204 | 2023 | |
| 28 | Júlio Gruzmán | .5193 | 2016 | |
| 29 | Arturo Hernández | .5188 | 2014 | |
| 30 | Wilfred McLaughlin# | .5163 | 2020 | |
| 31 | Wilfred McLaughlin# | .5160 | 2022 | |
| 32 | Taikan Miura | .5119 | 2019 | |
| 33 | Arturo Hernández | .5103 | 2015 | |
| 34 | Joey Jones# | .5089 | 2022 | |
| 35 | Júlio Gruzmán | .4988 | 2019 | |
| 36 | Albert Morán# | .4986 | 2022 | |
| 37 | Earl Ellis | .4971 | 2014 | |
| 38 | Tony Dyer# | .4952 | 2015 | |
| 38 | Tony Dyer# | .4952 | 2021 | |
| 40 | Ron Bascombe# | .4950 | 2018 | |
| 41 | Albert Morán# | .4920 | 2020 | |
| 42 | Christian Walls | .4893 | 2015 | |
| 43 | Taikan Miura | .4882 | 2016 | |
| 44 | Leonardo López# | .4830 | 2014 | |
| 45 | Júlio Gruzmán | .4762 | 2015 | |
| 46 | Taikan Miura | .4726 | 2018 | |
| 47 | Michael Greene# | .4720 | 2023 | |
| 48 | Michael Greene# | .4664 | 2022 | |
| 49 | Héctor Cortéz# | .4623 | 2020 | |
| 50 | John Downing# | .4602 | 2016 | |
| 51 | Aukukero Mincarlie | .4597 | 2013 | |
| 52 | Michael Greene# | .4573 | 2018 | |
| 53 | Earl Ellis | .4543 | 2013 | |
| 54 | Jeffrey Barker | .4525 | 2017 | |
| 55 | Curt Webb# | .4421 | 2019 | |
| 56 | Albert Morán# | .4393 | 2021 | |
| 57 | José Alonso# | .4382 | 2023 | |
| 58 | Joey Jones# | .4363 | 2023 | |
| 59 | Steve Ingram# | .4303 | 2015 | |
| 60 | Christian Walls | .4271 | 2016 | |
| 61 | Robbie Roach# | .4270 | 2016 | |
| 62 | Robert Bond | .4245 | 2014 | |
| 63 | Neil Lawson# | .4238 | 2023 | |
| 64 | Christian Walls | .4222 | 2014 | |
| 65 | John Downing# | .4141 | 2020 | |
| 66 | Bernalldo Bessa | .4085 | 2013 | |
| 67 | Roberto Rodríguez | .4000 | 2019 | |
| 68 | Robbie Roach# | .3978 | 2019 | |
| 69 | John Downing# | .3977 | 2021 | |
| 70 | Joey Morgan# | .3817 | 2022 | |
| 71 | Emílio Sáenz# | .3794 | 2020 | |
| 72 | Julián Guzmán | .3777 | 2013 | |
| 73 | Daniel Lallanilla | .3761 | 2020 | |
| 74 | Alfredo Pérez | .3625 | 2017 | |
| 75 | Christian Walls | .3601 | 2017 | |
| 76 | Keith Best# | .3532 | 2022 | |
| 77 | Alan Elder# | .3413 | 2023 | |
| 78 | Rick Atkinson# | .3412 | 2022 | |
| 79 | Jorge Lucero | .3363 | 2014 | |
| 80 | Sinclair van Kooten# | .3280 | 2019 | |
| 81 | Carroll Martin# | .3243 | 2023 |
