Here's the top 50 as of the end of 2005: Which also includes when they were the Montreal Expos from 1969 to 2004. WASHINGTON NATIONALS SEASON RBI YEAR RBI 1 Vladimir Guerrero 1999 131 T2 Tim Wallach 1987 123 T2 Vladimir Guerrero 2000 123 4 Andre Dawson 1983 113 5 Vladimir Guerrero 2002 111 6 Tony Batista 2004 110 T7 Al Oliver 1982 109 T7 Vladimir Guerrero 1998 109 9 Vladimir Guerrero 2001 108 10 Gary Carter 1984 106 T11 Ken Singleton 1973 103 T11 Henry Rodriguez 1996 103 13 Gary Carter 1980 101 14 Hubie Brooks 1985 100 15 Tim Wallach 1990 98 T16 Tim Wallach 1982 97 T16 Rusty Staub 1971 97 T16 Gary Carter 1982 97 T16 Jose Vidro 2000 97 T20 Jose Vidro 2002 96 T20 Orlando Cabrera 2001 96 T20 Moises Alou 1996 96 T23 Marquis Grissom 1993 95 T23 Lee Stevens 2001 95 25 Rusty Staub 1970 94 26 Larry Walker 1992 93 T27 Andre Dawson 1979 92 T27 Andres Galarraga 1988 92 T29 Tony Perez 1977 91 T29 Andre Dawson 1985 91 T31 Andres Galarraga 1987 90 T31 Hubie Brooks 1988 90 33 Willie Davis 1974 89 T34 Andre Dawson 1980 87 T34 Andres Galarraga 1990 87 T36 Larry Walker 1994 86 T36 Larry Walker 1993 86 T36 Andre Dawson 1984 86 T36 Bob Bailey 1973 86 T40 Andres Galarraga 1989 85 T40 Moises Alou 1993 85 T42 Al Oliver 1983 84 T42 Bob Bailey 1970 84 T42 Gary Carter 1977 84 T45 Andre Dawson 1982 83 T45 Henry Rodriguez 1997 83 T45 Bob Bailey 1971 83 T45 Coco Laboy 1969 83 T49 Ellis Valentine 1979 82 T49 Larry Parrish 1979 82 T49 Rondell White 1997 82