| C(DH) | Varitek, J.Varitek, Jason >> | 31 | 2003 | S | 84 | 77 | 79 | 142 | .273 | .356 | .512 | .868 | .340 | 451 | 63 | 123 | 31 | 1 | 25 | 85 | 51 | 106 | 7 | 3 | .990 | - | +0.41 | 2 | 13 | 10 | C |
| C(DH) | Mirabelli, D.Mirabelli, Doug >> | 33 | 2003 | R | 40 | 45 | 47 | 62 | .258 | .309 | .448 | .757 | .290 | 163 | 23 | 42 | 13 | 0 | 6 | 18 | 11 | 36 | 1 | 0 | .986 | - | -0.11 | 1 | 13 | 5 | C |
| 1B(OF) | Millar, K.Millar, Kevin >> | 32 | 2003 | R | 65 | 74 | 21 | 148 | .276 | .353 | .472 | .825 | .330 | 544 | 83 | 150 | 30 | 1 | 25 | 96 | 60 | 108 | 5 | 3 | .995 | - | -1.41 | 2 | 12 | 14 | C |
| 1B(3B) | Hillenbrand, S.Hillenbrand, Shea >> | 28 | 2003 | R | 45 | 62 | 13 | 134 | .280 | .319 | .468 | .787 | .300 | 515 | 60 | 144 | 35 | 1 | 20 | 97 | 24 | 70 | 6 | 1 | .982 | - | -0.93 | 2 | 11 | 8 | C |
| 2B(DH) | Walker, T.Walker, Todd >> | 30 | 2003 | L | 54 | 67 | 11 | 144 | .283 | .338 | .428 | .766 | .320 | 587 | 92 | 166 | 38 | 4 | 13 | 85 | 48 | 54 | 1 | 1 | .975 | - | -0.79 | 3 | 9 | 11 | C |
| 3B(SS) | Merloni, L.Merloni, Lou >> | 32 | 2003 | R | 58 | 60 | 29 | 80 | .265 | .361 | .348 | .709 | .340 | 181 | 24 | 48 | 8 | 2 | 1 | 18 | 26 | 41 | 1 | 2 | .968 | - | -0.13 | 5 | 8 | 5 | C |
| 3B(2B) | Mueller, B.Mueller, Bill >> | 32 | 2003 | S | 95 | 97 | 43 | 146 | .326 | .402 | .540 | .942 | .380 | 524 | 85 | 171 | 45 | 5 | 19 | 85 | 59 | 77 | 7 | 1 | .957 | - | +0.21 | 3 | 10 | 12 | C |
| SS(IF) | Garciaparra, N.Garciaparra, Nomar >> | 30 | 2003 | R | 89 | 84 | 81 | 156 | .301 | .350 | .524 | .874 | .330 | 658 | 120 | 198 | 37 | 13 | 28 | 105 | 39 | 61 | 11 | 19 | .971 | - | +1.42 | 7 | 11 | 29 | C |
| DH(OF) | Giambi, J.Giambi, Jeremy >> | 29 | 2003 | L | 29 | 33 | 8 | 50 | .197 | .342 | .354 | .696 | .320 | 127 | 15 | 25 | 5 | 0 | 5 | 15 | 26 | 42 | 2 | 1 | .944 | - | -0.5 | 2 | 12 | 4 | C |
| OF(DH) | Damon, J.Damon, Johnny >> | 30 | 2003 | L | 75 | 64 | 91 | 145 | .273 | .348 | .405 | .753 | .330 | 608 | 103 | 166 | 32 | 6 | 12 | 67 | 68 | 74 | 2 | 30 | .997 | - | +0.54 | 7 | 9 | 12 | C |
| OF(DH) | Ramirez, M.Ramirez, Manny >> | 31 | 2003 | R | 91 | 99 | 8 | 154 | .325 | .430 | .587 | 1.017 | .410 | 569 | 117 | 185 | 36 | 1 | 37 | 104 | 97 | 94 | 8 | 3 | .982 | - | -1.59 | 2 | 14 | 22 | C |
| OF(OF) | Kapler, G.Kapler, Gabe >> | 28 | 2003 | R | 52 | 58 | 33 | 107 | .271 | .336 | .391 | .727 | .320 | 225 | 39 | 61 | 13 | 1 | 4 | 27 | 22 | 41 | 0 | 6 | .944 | - | +0.1 | 5 | 9 | 6 | C |