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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Dave Hampton | .5105 | 1933-1936 | |
| 2 | Matt Wood | .5057 | 1950-1953 | |
| 3 | Mario Toro | .4968 | 1935-1938 | |
| 4 | Lodewijk Hawley | .4873 | 1942-1945 | |
| 5 | José Sandoval | .4820 | 1954-1957 | |
| 6 | Joe Davis | .4665 | 1938-1941 | |
| 7 | George Barlow | .4661 | 1942-1945 | |
| 8 | Samuel Bramati | .4655 | 1934-1937 | |
| 9 | Javier Salazar | .4642 | 1950-1953 | |
| 10 | Joe Martin | .4581 | 1942-1945 | |
| 11 | Ray Keating | .4558 | 1938-1941 | |
| 12 | Hugh Davis | .4530 | 1937-1940 | |
| 13 | Vincent French | .4477 | 1934-1937 | |
| 14 | Robbie Moore | .4474 | 1934-1937 | |
| 15 | Colin Wilkins | .4459 | 1954-1957 | |
| 16 | Mike Jacobs | .4443 | 1926-1929 | |
| 17 | Claudio Moreno | .4432 | 1948-1951 | |
| 18 | Josh Thompson | .4423 | 1959-1962 | |
| 19 | Jamie Jones | .4399 | 1938-1941 | |
| 20 | Louie Hood | .4346 | 1934-1937 | |
| 21 | Mark Wilson | .4323 | 1944-1947 | |
| 22 | Roberto Murillo | .4315 | 1933-1936 | |
| 23 | Dave Taylor | .4215 | 1926-1929 | |
| 24 | Shawn Kuoppala | .4192 | 1953-1956 | |
| 25 | Steven Martin | .4043 | 1968-1972 | |
| 26 | Jack Burns | .4042 | 1967-1971 | |
| 27 | Nelson Davis | .3968 | 1962-1965 | |
| 28 | Mario Hernández# | .3929 | 1983-1986 | |
| 29 | Carlos González | .3896 | 1959-1962 | |
| 30 | Bruce Battle# | .3396 | 1988-1991 |
