Here's the list as of May 6, 2006: Which also includes when they were the Montreal Expos from 1969 to 2004. WASHINGTON NATIONALS CAREER AT BATS >= 1000 SLG SLG AB 1 Vladimir Guerrero .588 3763 2 Henry Rodriguez .500 1086 3 Rusty Staub .497 1803 4 Moises Alou .489 2144 5 Larry Walker .483 2366 6 Rondell White .480 2756 7 Andre Dawson .476 5628 8 Ellis Valentine .476 2351 9 David Segui .470 1258 10 Jose Vidro .467 3902 11 Al Oliver .462 1231 12 Gary Carter .454 5303 13 Brad Wilkerson .452 2265 14 Lee Stevens .450 1196 15 Tony Perez .447 1592 16 Hubie Brooks .441 2471 17 Ron Fairly .440 2226 18 Tim Raines .437 5383 19 Bob Bailey .437 2991 20 Andres Galarraga .432 3374 21 Wil Cordero .427 2160 22 Larry Parrish .426 3411 23 Ken Singleton .423 1578 24 Darrin Fletcher .422 1957 25 Mitch Webster .421 1635 26 Tim Wallach .418 6529 27 Chris Widger .417 1359 28 Shane Andrews .411 1432 29 Orlando Cabrera .405 3288 30 Marquis Grissom .405 2678 31 Mike Lansing .405 2565 32 Warren Cromartie .402 3796 33 Dave Martinez .401 1339 34 Brian Schneider .394 1599 35 Mike Jorgensen .391 1880 36 Vance Law .389 1315 37 Michael Barrett .388 1801 38 Mark Grudzielanek .378 1971 39 Endy Chavez .374 1119 40 Delino DeShields .373 2073 41 Jerry White .369 1036 42 F.P. Santangelo .361 1224 43 Barry Foote .360 1212 44 Mike Fitzgerald .359 1747 45 John Bateman .357 1276 46 Dave Cash .355 1495 47 Spike Owen .354 1700 48 Coco Laboy .354 1247 49 Tom Foley .343 1705 50 Chris Speier .332 2902 51 Ron Hunt .328 1767 52 John Boccabella .314 1018 53 Boots Day .314 1137 54 Peter Bergeron .308 1103 55 Tim Foli .303 2614 56 Gary Sutherland .299 1207 57 Doug Flynn .289 1017 58 Rodney Scott .283 1500 59 Bobby Wine .269 1229