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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Kjeld Penders# | .4548 | 1955 | |
| 2 | Isaias Alas# | .3868 | 1955 | |
| 3 | Katsumi Aono# | .3844 | 1955 | |
| 4 | Chris Vassallo# | .3835 | 1953 | |
| 5 | Kjeld Penders# | .3828 | 1953 | |
| 6 | Katsumi Aono# | .3735 | 1954 | |
| 7 | Craig Amery# | .3690 | 1952 | |
| 8 | Jose Pena# | .3681 | 1952 | |
| 9 | Jose Pena# | .3636 | 1953 | |
| 10 | Ryusuke Sugihara# | .3584 | 1953 | |
| 11 | Mathias Berger# | .3502 | 1952 | |
| 12 | Jason Moore# | .3455 | 1953 | |
| 13 | Jason Moore# | .3432 | 1952 | |
| 14 | Tony Garcia# | .3411 | 1952 | |
| 15 | Franklin Toscano# | .3346 | 1954 | |
| 16 | Katsumi Aono# | .3256 | 1953 | |
| 17 | Jesus Martinez# | .2981 | 1954 |
