| 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) | Lo Duca, P.Lo Duca, Paul >> | 32 | 2004 | R | 62 | 45 | 100 | 143 | .286 | .341 | .421 | .762 | .300 | 535 | 68 | 153 | 29 | 2 | 13 | 80 | 36 | 49 | 9 | 4 | .996 | - | +1.6 | 3 | +2.3 | 11 | C |
| 1B(DH) | Pujols, A.Pujols, Albert # >> | 24 | 2004 | R | 98 | 100 | 50 | 154 | .331 | .420 | .657 | 1.077 | .380 | 592 | 133 | 196 | 51 | 2 | 46 | 123 | 84 | 52 | 7 | 5 | .994 | - | -0.3 | 3 | +7.78 | 22 | C |
| 2B(3B) | Polanco, P.Polanco, Placido >> | 29 | 2004 | R | 68 | 68 | 68 | 126 | .298 | .349 | .441 | .790 | .310 | 503 | 74 | 150 | 21 | 0 | 17 | 55 | 27 | 39 | 12 | 7 | .995 | - | +0.03 | 2 | +1.9 | 6 | 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 |
| SS(IF) | Tejada, M.Tejada, Miguel >> | 30 | 2004 | R | 93 | 90 | 74 | 162 | .311 | .367 | .534 | .901 | .330 | 653 | 107 | 203 | 40 | 2 | 34 | 150 | 48 | 73 | 10 | 4 | .971 | - | +1.39 | 2 | +6.75 | 200 | C |
| OF(DH) | Ramirez, M.Ramirez, Manny >> | 32 | 2004 | R | 87 | 96 | 1 | 152 | .308 | .401 | .613 | 1.014 | .360 | 568 | 108 | 175 | 44 | 0 | 43 | 130 | 82 | 124 | 6 | 2 | .967 | - | -1.82 | 2 | +5.22 | 18 | C |
| OF(OF) | Cabrera, M.Cabrera, Miguel >> | 21 | 2004 | R | 77 | 85 | 6 | 160 | .294 | .371 | .512 | .883 | .330 | 603 | 101 | 177 | 31 | 1 | 33 | 112 | 68 | 148 | 6 | 5 | .968 | - | -1.07 | 2 | +3.75 | 83 | C |
| OF(DH) | Alou, M.Alou, Moises # >> | 38 | 2004 | R | 74 | 85 | 10 | 155 | .293 | .365 | .557 | .922 | .320 | 601 | 106 | 176 | 36 | 3 | 39 | 106 | 68 | 80 | 0 | 3 | .969 | - | -0.82 | 3 | +4.06 | 25 | C |
| OF(DH) | Wells, V.Wells, Vernon >> | 26 | 2004 | R | 57 | 41 | 100 | 134 | .272 | .338 | .472 | .810 | .300 | 536 | 82 | 146 | 34 | 2 | 23 | 67 | 51 | 83 | 2 | 9 | .997 | - | +1.61 | 4 | +3.15 | 8 | C |