| C(DH) | Varitek, J.Varitek, Jason >> | 32 | 2004 | S | 98 | 90 | 96 | 137 | .296 | .391 | .482 | .873 | .350 | 463 | 67 | 137 | 30 | 1 | 18 | 73 | 62 | 126 | 10 | 10 | .998 | - | +0.85 | 4 | +3.91 | 8 | C |
| C(1B) | Wilson, V.Wilson, Vance >> | 31 | 2004 | R | 44 | 38 | 75 | 79 | .274 | .341 | .427 | .768 | .300 | 157 | 18 | 43 | 10 | 1 | 4 | 21 | 11 | 24 | 5 | 1 | .993 | - | +0.35 | 3 | +0.72 | 5 | C |
| 1B(OF) | Teixeira, M.Teixeira, Mark >> | 24 | 2004 | S | 82 | 82 | 49 | 145 | .281 | .371 | .560 | .931 | .330 | 545 | 101 | 153 | 34 | 2 | 38 | 112 | 68 | 117 | 10 | 4 | .992 | - | -0.26 | 3 | +3.98 | 12 | C |
| 2B(IF) | Grudzielanek, M.Grudzielanek, Mark >> | 34 | 2004 | R | 59 | 67 | 47 | 81 | .307 | .348 | .432 | .780 | .310 | 257 | 32 | 79 | 12 | 1 | 6 | 23 | 15 | 32 | 1 | 1 | .985 | - | +0.02 | 2 | +0.82 | 5 | C |
| 2B(IF) | Womack, T.Womack, Tony >> | 35 | 2004 | L | 68 | 61 | 74 | 145 | .307 | .353 | .385 | .738 | .310 | 553 | 91 | 170 | 22 | 3 | 5 | 38 | 36 | 60 | 3 | 26 | .976 | - | +1.06 | 6 | +2.45 | 12 | C |
| 3B(IF) | Wright, D.Wright, David >> | 22 | 2004 | R | 52 | 68 | 42 | 69 | .293 | .336 | .525 | .861 | .290 | 263 | 41 | 77 | 17 | 1 | 14 | 40 | 14 | 40 | 3 | 6 | .942 | - | +0.49 | 4 | +1.74 | 5 | C |
| SS(IF) | Rollins, J.Rollins, Jimmy >> | 26 | 2004 | S | 76 | 66 | 93 | 154 | .289 | .349 | .455 | .804 | .310 | 657 | 119 | 190 | 43 | 12 | 14 | 73 | 57 | 73 | 3 | 30 | .986 | - | +1.63 | 7 | +3.73 | 22 | C |
| OF(OF) | Rowand, A.Rowand, Aaron >> | 27 | 2004 | R | 90 | 88 | 76 | 140 | .310 | .362 | .544 | .906 | .320 | 487 | 94 | 151 | 38 | 2 | 24 | 69 | 30 | 91 | 10 | 17 | .975 | - | +1.1 | 5 | +4.78 | 9 | C |
| OF(DH) | Stewart, S.Stewart, Shannon >> | 30 | 2004 | R | 79 | 87 | 12 | 92 | .304 | .383 | .447 | .830 | .340 | 378 | 46 | 115 | 17 | 2 | 11 | 47 | 47 | 44 | 1 | 6 | .972 | - | -0.78 | 4 | +2.07 | 5 | C |
| OF(OF) | Patterson, C.Patterson, Corey >> | 25 | 2004 | L | 36 | 27 | 99 | 157 | .266 | .320 | .452 | .772 | .280 | 631 | 91 | 168 | 33 | 6 | 24 | 72 | 45 | 168 | 5 | 32 | .997 | - | +1.07 | 7 | +2.18 | 34 | C |
| OF(OF) | Berkman, L.Berkman, Lance >> | 28 | 2004 | S | 97 | 99 | 34 | 160 | .316 | .454 | .566 | 1.020 | .410 | 544 | 104 | 172 | 40 | 3 | 30 | 106 | 127 | 101 | 10 | 9 | .992 | - | -0.88 | 4 | +6.09 | 83 | C |