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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Terho Parviainen# | .4810 | 1955 | |
| 2 | Aatu Torkkeli# | .4724 | 1954 | |
| 3 | Terho Parviainen# | .4667 | 1954 | |
| 4 | Jussi Raevuori# | .4642 | 1955 | |
| 5 | Jong-hun Jung# | .4625 | 1953 | |
| 6 | Edgar Monreal# | .4503 | 1954 | |
| 7 | Helge Lobaev# | .4495 | 1952 | |
| 8 | Aatu Torkkeli# | .4486 | 1953 | |
| 9 | Jing-sheng Tso# | .4416 | 1953 | |
| 10 | Aatu Torkkeli# | .4291 | 1955 | |
| 11 | Fðrat Gürler# | .4239 | 1953 | |
| 12 | Timofei Rogojin# | .3985 | 1953 | |
| 13 | Zorya Ermash# | .3960 | 1953 | |
| 14 | Yee Fong# | .3934 | 1952 | |
| 15 | Fðrat Gürler# | .3896 | 1954 | |
| 16 | Levka Ermolenko# | .3839 | 1952 | |
| 17 | Alexei Yasamanov# | .3827 | 1952 | |
| 18 | Tusya Paruzin# | .3793 | 1954 | |
| 19 | Jong-hun Jung# | .3789 | 1954 | |
| 20 | Zorya Ermash# | .3774 | 1952 | |
| 21 | Jussi Raevuori# | .3713 | 1953 | |
| 22 | Lyonechka Ledogorov# | .3569 | 1953 | |
| 23 | Hänsel Braun# | .3550 | 1955 | |
| 24 | David Ronshin# | .3504 | 1952 | |
| 25 | Lyonechka Ledogorov# | .3407 | 1955 | |
| 26 | Yifu Kao# | .3356 | 1955 | |
| 27 | David Ronshin# | .3226 | 1953 | |
| 28 | Jing-yu Yuen# | .2982 | 1954 |
