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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Mickey Tettleton# | .355 | 1985-1998 | |
| 2 | Mark Bailey | .340 | 1984-1995 | |
| 3 | Clint Hurdle | .338 | 1977-1990 | |
| 4 | Darrell Porter | .336 | 1976-1989 | |
| 5 | Carlton Fisk | .334 | 1976-1986 | |
| 6 | John Wockenfuss | .332 | 1976-1988 | |
| 7 | Mike Scioscia | .331 | 1980-1994 | |
| 8 | Ron Hassey | .330 | 1978-1989 | |
| 9 | Ted Simmons | .329 | 1976-1987 | |
| 9 | Mike Stanley# | .329 | 1986-1997 | |
| 11 | Dale Murphy* | .328 | 1976-1992 | |
| 11 | Mike LaValliere# | .328 | 1984-1995 | |
| 13 | Chris Hoiles# | .324 | 1989-1998 | |
| 13 | Thurman Munson | .324 | 1976-1988 | |
| 15 | Rick Wilkins# | .323 | 1991-1998 | |
| 16 | Geno Petralli | .319 | 1983-1992 | |
| 16 | Milt May | .319 | 1976-1988 | |
| 18 | Terry Kennedy | .317 | 1978-1992 | |
| 19 | Todd Zeile# | .314 | 1989-1998 | |
| 19 | Bob Brenly | .314 | 1981-1988 | |
| 21 | Charlie Moore | .313 | 1976-1991 | |
| 21 | Todd Hundley# | .313 | 1991-1998 | |
| 23 | Butch Wynegar | .310 | 1976-1987 | |
| 24 | Tony Eusebio# | .309 | 1991-1998 | |
| 25 | Javy Lopez# | .307 | 1992-1998 | |
| 26 | Brian Harper | .305 | 1979-1995 | |
| 27 | John Stearns | .304 | 1976-1989 | |
| 28 | Rich Gedman | .302 | 1980-1992 | |
| 28 | Gary Carter | .302 | 1976-1989 | |
| 30 | Don Slaught | .299 | 1982-1993 | |
| 31 | Matt Nokes# | .298 | 1985-1998 | |
| 32 | Terry Steinbach | .295 | 1986-1996 | |
| 33 | Lance Parrish | .292 | 1977-1993 | |
| 34 | Ivan Rodriguez# | .291 | 1991-1998 | |
| 34 | Earl Williams | .291 | 1976-1982 | |
| 36 | Jim Sundberg | .289 | 1976-1988 | |
| 37 | Darrin Fletcher# | .285 | 1989-1998 | |
| 38 | Hector Villanueva# | .283 | 1990-1997 | |
| 39 | Tony Pena | .282 | 1980-1995 | |
| 40 | Benito Santiago# | .277 | 1986-1998 | |
| 41 | Jody Davis | .276 | 1981-1992 | |
| 42 | Sandy Alomar Jr.# | .271 | 1988-1998 |
