| C(1B) | Piazza, M.Piazza, Mike # >> | 35 | 2003 | R | 82 | 77 | 62 | 68 | .286 | .381 | .483 | .864 | .340 | 234 | 37 | 67 | 13 | 0 | 11 | 34 | 35 | 40 | 1 | 0 | .982 | - | +0.46 | 1 | +1.98 | 5 | C |
| C(1B) | Molina, B.Molina, Bengie >> | 29 | 2003 | R | 37 | 31 | 92 | 119 | .281 | .307 | .443 | .750 | .270 | 409 | 37 | 115 | 24 | 0 | 14 | 71 | 13 | 31 | 2 | 1 | .993 | + | +0.92 | 2 | +1.46 | 6 | C |
| 1B(DH) | Helton, T.Helton, Todd >> | 30 | 2003 | L | 95 | 100 | 17 | 160 | .358 | .463 | .630 | 1.093 | .420 | 583 | 135 | 209 | 49 | 5 | 33 | 117 | 111 | 72 | 2 | 0 | .993 | - | -1.78 | 3 | +7.04 | 83 | C |
| 3B(DH) | Ensberg, M.Ensberg, Morgan >> | 28 | 2003 | R | 87 | 83 | 72 | 127 | .291 | .378 | .530 | .908 | .340 | 385 | 69 | 112 | 15 | 1 | 25 | 60 | 48 | 60 | 6 | 7 | .967 | - | +1.55 | 4 | +3.29 | 7 | C |
| SS(IF) | Furcal, R.Furcal, Rafael >> | 26 | 2003 | S | 66 | 62 | 69 | 156 | .292 | .354 | .443 | .797 | .320 | 664 | 130 | 194 | 35 | 10 | 15 | 61 | 60 | 76 | 3 | 25 | .959 | - | +1.54 | 7 | +4.09 | 29 | C |
| SS(IF) | Valentin, J.Valentin, Jose >> | 34 | 2003 | S | 24 | 18 | 76 | 144 | .237 | .314 | .463 | .777 | .280 | 503 | 79 | 119 | 26 | 2 | 28 | 74 | 54 | 114 | 3 | 8 | .969 | - | +1.72 | 4 | +2.96 | 11 | C |
| OF(OF) | Gonzalez, L.Gonzalez, Luis >> | 36 | 2003 | L | 85 | 95 | 15 | 156 | .304 | .404 | .532 | .936 | .370 | 579 | 92 | 176 | 46 | 4 | 26 | 104 | 94 | 67 | 3 | 5 | .989 | - | -1.22 | 4 | +3.64 | 29 | C |
| OF(OF) | Sheffield, G.Sheffield, Gary >> | 35 | 2003 | R | 93 | 99 | 19 | 155 | .330 | .424 | .604 | 1.028 | .390 | 576 | 126 | 190 | 37 | 2 | 39 | 132 | 86 | 55 | 8 | 18 | .986 | - | -0.88 | 5 | +7.02 | 25 | C |
| OF(OF) | Kotsay, M.Kotsay, Mark >> | 28 | 2003 | L | 43 | 33 | 82 | 128 | .266 | .343 | .384 | .727 | .310 | 482 | 64 | 128 | 28 | 4 | 7 | 38 | 56 | 82 | 1 | 6 | .991 | - | +0.61 | 4 | +2.06 | 7 | C |
| OF(DH) | Damon, J.Damon, Johnny >> | 30 | 2003 | L | 56 | 43 | 88 | 145 | .273 | .348 | .405 | .753 | .310 | 608 | 103 | 166 | 32 | 6 | 12 | 67 | 68 | 74 | 2 | 30 | .997 | - | +0.54 | 7 | +3.16 | 12 | C |