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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Arnim Wille | .5093 | 1958-1977 | |
| 2 | Maup Kodde | .5000 | 1961-1967 | |
| 3 | Alfredo Bulat | .4894 | 1958-1961 | |
| 4 | Diego Barrios# | .4780 | 1981-1988 | |
| 5 | Bayles Blames* | .4774 | 1964-1973 | |
| 6 | Raúl Escobar | .4498 | 1964-1977 | |
| 7 | Enrique Calderón | .4453 | 1958-1964 | |
| 8 | Ryan Lacombe | .4361 | 1973-1984 | |
| 9 | Arran MacCaw | .4350 | 1961-1973 | |
| 10 | Gray Akerval | .4327 | 1964-1977 | |
| 11 | Edward Cruz# | .4281 | 1977-1988 | |
| 12 | Masruq bin Dawud | .4276 | 1973-1977 | |
| 13 | François Lasserre | .4207 | 1958-1964 | |
| 14 | Afework Waziri | .4191 | 1964-1981 | |
| 15 | Cedric Lever | .4070 | 1958-1973 | |
| 16 | Boudewijn Adams | .4031 | 1958-1973 | |
| 17 | Víctor Maldonado | .4029 | 1958-1970 | |
| 18 | Roberto Ruíz | .4000 | 1973-1977 | |
| 19 | Augusto Fo | .3969 | 1961-1970 | |
| 19 | Cahern Walcker | .3969 | 1967-1984 | |
| 21 | Kuma Kikuchi | .3923 | 1970-1981 | |
| 22 | Jorge Velásquez | .3915 | 1973-1977 | |
| 23 | Abdul-Nasser Wajeeh | .3881 | 1973-1977 | |
| 24 | Armando González | .3817 | 1961-1970 | |
| 25 | Will Docking | .3778 | 1970-1988 | |
| 26 | Habib Jibril | .3750 | 1973-1981 | |
| 27 | Adum Olu | .3732 | 1970-1981 | |
| 28 | Barnabas Stahlecker | .3556 | 1973-1988 | |
| 29 | Myun-gu Chup | .3529 | 1958-1970 | |
| 30 | Augusto Rea# | .3500 | 1981-1988 | |
| 31 | Sergio Acevedo | .3497 | 1958-1967 | |
| 32 | Quincy Lukies | .3457 | 1964-1970 | |
| 33 | Faqih bin Abbud | .3431 | 1973-1988 | |
| 34 | Kalervo Reini# | .3396 | 1981-1988 | |
| 35 | Alfonso Romo | .3390 | 1961-1970 | |
| 36 | Mario López | .3387 | 1981-1984 | |
| 37 | Albert Vincent | .3358 | 1964-1970 | |
| 38 | Soini Isomäki# | .3333 | 1977-1988 | |
| 38 | Dáithí Sander | .3333 | 1958-1961 | |
| 40 | Francisco Marrero# | .3254 | 1977-1988 | |
| 41 | José Pérez# | .3234 | 1981-1988 | |
| 42 | Carlos Ramírez | .3191 | 1973-1988 | |
| 43 | Pim Deschamps | .3178 | 1958-1970 | |
| 44 | Cary Dickman# | .3134 | 1977-1988 | |
| 45 | Marcos Fernández | .2782 | 1970-1973 | |
| 46 | Ubbe Ulderink# | .2567 | 1981-1988 | |
| 47 | Ghaysun Gurnah | .2278 | 1973-1984 |
