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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Nigel Mchugh# | .8571 | 2025-2031 | |
| 2 | Walt Cochran# | .7143 | 2031-2031 | |
| 3 | Ernesto López# | .6604 | 2031-2031 | |
| 4 | Tim Jackson# | .6364 | 2031-2031 | |
| 5 | Roberto Orozco# | .5814 | 2031-2031 | |
| 6 | Juan Mendoza# | .5769 | 2025-2031 | |
| 7 | Martín Guzmán# | .5714 | 2030-2031 | |
| 8 | Salvador Guevara# | .5652 | 2029-2031 | |
| 9 | Kantaro Nakano# | .5641 | 2029-2031 | |
| 10 | Zach Sicard# | .5472 | 2030-2031 | |
| 11 | Raúl Jen# | .5323 | 2031-2031 | |
| 11 | Roberto Pineda# | .5323 | 2027-2031 | |
| 13 | Eric Travis# | .5263 | 2031-2031 | |
| 14 | Roger Miller# | .5128 | 2031-2031 | |
| 15 | Adriaan Smit# | .5106 | 2026-2031 | |
| 16 | Harris van Campen# | .5094 | 2028-2031 | |
| 17 | António Carranza# | .5000 | 2030-2031 | |
| 17 | Iban Domburg# | .5000 | 2031-2031 | |
| 19 | Ewan Visser# | .4762 | 2030-2031 | |
| 20 | Harold Delaney# | .4510 | 2031-2031 | |
| 21 | Ebbe Arendse# | .4444 | 2029-2031 | |
| 21 | José Pérez# | .4444 | 2030-2031 | |
| 23 | Jorge Hinojosa# | .4400 | 2030-2031 | |
| 24 | Mark Reynolds# | .4375 | 2030-2031 | |
| 25 | Ramón Maez# | .4348 | 2031-2031 | |
| 26 | Drew Dunlop# | .4130 | 2031-2031 | |
| 27 | Julian Storer# | .4000 | 2028-2031 | |
| 28 | Jerry Mitchell# | .3750 | 2028-2031 | |
| 29 | Yeong-chan Han# | .3556 | 2031-2031 | |
| 30 | Cisco Ramírez# | .3393 | 2028-2031 | |
| 31 | Yasuo Shinohara# | .3250 | 2029-2031 | |
| 32 | Anthony Galloway# | .3125 | 2031-2031 | |
| 33 | Aurelio Batista# | .3077 | 2030-2031 | |
| 34 | Máximo Debaga# | .2609 | 2030-2031 | |
| 35 | Tadasu Ogasahara# | .2553 | 2029-2031 | |
| 36 | Jeff Jones# | .2353 | 2026-2031 |
