| C(DH) | Mirabelli, D.Mirabelli, Doug >> | 35 | 2004 | R | 59 | 55 | 59 | 59 | .263 | .352 | .444 | .796 | .300 | 160 | 23 | 42 | 8 | 0 | 7 | 27 | 19 | 49 | 3 | 0 | .993 | - | -0.02 | 1 | 15 | 5 | C |
| C(DH) | Varitek, J.Varitek, Jason >> | 33 | 2004 | S | 90 | 78 | 96 | 137 | .287 | .379 | .447 | .826 | .330 | 463 | 63 | 133 | 27 | 1 | 15 | 71 | 58 | 128 | 10 | 10 | .998 | - | +0.82 | 4 | 10 | 8 | C |
| 1B(DH) | Mientkiewicz, D.Mientkiewicz, Doug >> | 31 | 2004 | L | 34 | 29 | 58 | 127 | .238 | .327 | .350 | .677 | .280 | 391 | 47 | 93 | 24 | 1 | 6 | 35 | 48 | 56 | 4 | 2 | .995 | - | -0.1 | 2 | 9 | 7 | C |
| 1B(OF) | McCarty, D.McCarty, David >> | 36 | 2004 | R | 35 | 38 | 49 | 89 | .252 | .323 | .397 | .720 | .270 | 151 | 21 | 38 | 8 | 1 | 4 | 17 | 14 | 43 | 2 | 1 | .991 | - | -0.18 | 3 | 10 | 5 | C |
| 1B(OF) | Millar, K.Millar, Kevin # >> | 34 | 2004 | R | 74 | 79 | 26 | 150 | .291 | .378 | .449 | .827 | .330 | 508 | 71 | 148 | 35 | 0 | 15 | 73 | 54 | 96 | 17 | 1 | .986 | - | -0.59 | 1 | 9 | 16 | C |
| 2B(IF) | Gutierrez, R.Gutierrez, Ricky >> | 35 | 2004 | R | 2 | 1 | 36 | 45 | .165 | .232 | .194 | .426 | .180 | 103 | 8 | 17 | 3 | 0 | 0 | 8 | 8 | 17 | 1 | 1 | .985 | - | -0.29 | 2 | 6 | 4 | C |
| 2B(3B) | Bellhorn, M.Bellhorn, Mark >> | 31 | 2004 | S | 72 | 65 | 57 | 138 | .264 | .375 | .444 | .819 | .330 | 523 | 93 | 138 | 37 | 3 | 17 | 82 | 88 | 177 | 5 | 6 | .977 | - | +0.52 | 4 | 10 | 9 | C |
| 3B(2B) | Mueller, B.Mueller, Bill >> | 34 | 2004 | S | 52 | 61 | 9 | 110 | .273 | .360 | .426 | .786 | .310 | 399 | 72 | 109 | 26 | 1 | 11 | 52 | 50 | 57 | 4 | 2 | .944 | - | -0.41 | 2 | 10 | 5 | C |
| 3B(DH) | Youkilis, K.Youkilis, Kevin >> | 26 | 2004 | R | 74 | 68 | 56 | 72 | .263 | .377 | .455 | .832 | .330 | 209 | 40 | 55 | 13 | 0 | 9 | 39 | 34 | 43 | 4 | 0 | .968 | - | +0.66 | 1 | 11 | 5 | C |
| SS(2B) | Reese, P.Reese, Pokey >> | 32 | 2004 | R | 16 | 6 | 92 | 96 | .209 | .261 | .291 | .552 | .210 | 244 | 29 | 51 | 7 | 2 | 3 | 26 | 17 | 63 | 0 | 6 | .982 | - | +1.93 | 5 | 7 | 5 | C |
| SS(IF) | Cabrera, O.Cabrera, Orlando >> | 31 | 2004 | R | 42 | 36 | 85 | 161 | .264 | .311 | .383 | .694 | .260 | 618 | 74 | 163 | 38 | 3 | 10 | 62 | 39 | 54 | 3 | 16 | .978 | - | +1.46 | 5 | 8 | 164 | C |
| SS(IF) | Garciaparra, N.Garciaparra, Nomar >> | 32 | 2004 | R | 49 | 63 | 8 | 81 | .290 | .345 | .445 | .790 | .300 | 321 | 51 | 93 | 20 | 3 | 8 | 39 | 21 | 35 | 6 | 4 | .970 | - | -0.78 | 4 | 9 | 5 | C |
| DH(1B) | Ortiz, D.Ortiz, David >> | 30 | 2004 | L | 84 | 92 | 11 | 150 | .304 | .390 | .626 | 1.016 | .340 | 585 | 97 | 178 | 50 | 3 | 44 | 140 | 78 | 132 | 4 | 0 | .986 | - | -1.2 | 2 | 16 | 16 | C |
| OF(DH) | Ramirez, M.Ramirez, Manny >> | 33 | 2004 | R | 80 | 91 | 3 | 152 | .298 | .391 | .595 | .986 | .340 | 568 | 107 | 169 | 43 | 0 | 42 | 127 | 81 | 129 | 6 | 2 | .967 | - | -1.85 | 2 | 14 | 18 | C |
| OF(OF) | Kapler, G.Kapler, Gabe >> | 30 | 2004 | R | 40 | 48 | 33 | 136 | .280 | .322 | .413 | .735 | .270 | 293 | 52 | 82 | 16 | 1 | 7 | 35 | 16 | 47 | 2 | 5 | .978 | - | -0.16 | 4 | 11 | 8 | C |
| OF(DH) | Nixon, T.Nixon, Trot >> | 31 | 2004 | L | 85 | 89 | 33 | 48 | .315 | .382 | .510 | .892 | .330 | 149 | 24 | 47 | 9 | 1 | 6 | 23 | 15 | 24 | 1 | 0 | .985 | - | -0.32 | 2 | 13 | 4 | C |
| OF(OF) | Roberts, D.Roberts, Dave >> | 33 | 2004 | L | 32 | 34 | 37 | 113 | .248 | .330 | .354 | .684 | .280 | 319 | 61 | 79 | 10 | 6 | 4 | 32 | 34 | 51 | 5 | 35 | .978 | - | -0.1 | 9 | 7 | 5 | C |
| OF(DH) | Damon, J.Damon, Johnny >> | 32 | 2004 | L | 75 | 83 | 21 | 150 | .303 | .377 | .456 | .833 | .330 | 621 | 119 | 188 | 31 | 5 | 18 | 93 | 72 | 72 | 2 | 14 | .986 | - | -0.68 | 5 | 9 | 16 | C |
| OF(OF) | Williams, T.Williams, Ted >> | 36 | 1953 | L | 94 | 100 | 16 | 37 | .407 | .509 | .901 | 1.410 | .460 | 91 | 17 | 37 | 6 | 0 | 13 | 34 | 19 | 10 | 0 | 0 | .970 | - | -0.41 | 1 | 20 | 4 | C |