| C(3B) | Melhuse, A.Melhuse, Adam >> | 32 | 2004 | S | 22 | 21 | 68 | 69 | .257 | .309 | .463 | .772 | .270 | 214 | 23 | 55 | 11 | 0 | 11 | 31 | 16 | 47 | 0 | 0 | .992 | - | +0.23 | 1 | +1.11 | 5 | C |
| C(1B) | Ausmus, B.Ausmus, Brad >> | 35 | 2004 | R | 18 | 4 | 94 | 129 | .248 | .308 | .325 | .633 | .270 | 403 | 38 | 100 | 14 | 1 | 5 | 31 | 33 | 56 | 2 | 2 | .995 | - | +0.78 | 2 | -0.19 | 7 | C |
| C(1B) | Estrada, J.Estrada, Johnny >> | 28 | 2004 | S | 88 | 88 | 48 | 134 | .314 | .381 | .450 | .831 | .340 | 462 | 56 | 145 | 36 | 0 | 9 | 76 | 39 | 66 | 11 | 0 | .989 | - | -0.11 | 1 | +2.77 | 8 | C |
| 1B(DH) | Bagwell, J.Bagwell, Jeff # >> | 36 | 2004 | R | 75 | 69 | 48 | 156 | .266 | .379 | .465 | .844 | .340 | 572 | 104 | 152 | 29 | 2 | 27 | 89 | 96 | 131 | 8 | 6 | .995 | - | -0.38 | 3 | +3.07 | 29 | 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(IF) | Graffanino, T.Graffanino, Tony >> | 32 | 2004 | R | 24 | 18 | 65 | 75 | .263 | .334 | .335 | .669 | .290 | 278 | 37 | 73 | 11 | 0 | 3 | 26 | 27 | 38 | 3 | 10 | .988 | - | +0.42 | 5 | +0.87 | 5 | C |
| 2B(DH) | Roberts, B.Roberts, Brian >> | 27 | 2004 | S | 37 | 32 | 59 | 159 | .273 | .346 | .376 | .722 | .300 | 641 | 107 | 175 | 50 | 2 | 4 | 53 | 71 | 95 | 1 | 29 | .988 | - | +0.15 | 6 | +2.54 | 56 | C |
| OF(OF) | Burrell, P.Burrell, Pat >> | 28 | 2004 | R | 57 | 57 | 32 | 127 | .257 | .369 | .455 | .824 | .330 | 448 | 66 | 115 | 17 | 0 | 24 | 84 | 78 | 130 | 2 | 2 | .983 | - | -0.46 | 2 | +1.43 | 7 | C |
| OF(OF) | Byrnes, E.Byrnes, Eric # >> | 28 | 2004 | R | 61 | 64 | 55 | 143 | .283 | .349 | .467 | .816 | .310 | 569 | 91 | 161 | 39 | 3 | 20 | 73 | 46 | 111 | 12 | 17 | .989 | - | +0.03 | 5 | +2.9 | 11 | C |
| OF(OF) | Lankford, R.Lankford, Ray >> | 37 | 2004 | L | 33 | 37 | 20 | 92 | .255 | .355 | .425 | .780 | .310 | 200 | 36 | 51 | 14 | 1 | 6 | 22 | 29 | 55 | 2 | 2 | .956 | - | -0.32 | 3 | +0.51 | 5 | C |