| Western | W | L | Pct | GB |
| Kane County | 70 | 50 | .583 | -- |
| Beloit | 75 | 61 | .551 | 8.0 |
| Clinton | 69 | 66 | .511 | 8.5 |
| Wisconsin | 69 | 66 | .511 | 8.5 |
| Cedar Rapids | 66 | 72 | .478 | 13.0 |
| Peoria | 65 | 73 | .471 | 14.0 |
| Burlington | 64 | 74 | .464 | 15.0 |
| Quad Cities | 59 | 78 | .431 | 19.5 |
| # | Player | Pos | Rk | Age | Drafted | HiLvl | G | AB | R | H | 2B | 3B | HR | RBI | SB | CS | BB | SO | HBP | IBB | SH | SF | DP | AVG | OBP | SLG | OPS | TB | PA | OUT | RC | RC/G | babip |
| 34 | Prince Fielder | 1b | 1 | 19 | 2002-1-7 | MLB | 137 | 502 | 81 | 157 | 22 | 2 | 27 | 112 | 2 | 1 | 71 | 80 | 15 | 16 | 0 | 6 | 13 | .313 | .409 | .526 | 935 | 264 | 594 | 365 | 114 | 8.4 | .324 |
| 3 | Kennard Bibbs | of | 11 | 23 | 2002-14-409 | AAA | 123 | 492 | 85 | 148 | 13 | 1 | 0 | 40 | 55 | 18 | 52 | 63 | 1 | 0 | 14 | 0 | 4 | .301 | .369 | .331 | 700 | 163 | 559 | 380 | 69 | 4.9 | .345 |
| 20 | Jeffrey Eure | 1b | 36 | 22 | 2001-18-538 | AA | 123 | 475 | 69 | 116 | 21 | 4 | 11 | 53 | 29 | 4 | 35 | 128 | 13 | 0 | 3 | 1 | 7 | .244 | .313 | .375 | 688 | 178 | 527 | 374 | 58 | 4.2 | .312 |
| 2 | Callix Crabbe | 2b | 23 | 20 | 2002-12-349 | MLB | 129 | 465 | 79 | 121 | 25 | 6 | 1 | 46 | 25 | 9 | 68 | 52 | 3 | 0 | 18 | 3 | 12 | .260 | .356 | .346 | 702 | 161 | 557 | 386 | 68 | 4.8 | .289 |
| 25 | Travis Hinton | of | 91 | 22 | 2001-13-388 | A+ | 103 | 372 | 37 | 86 | 21 | 1 | 9 | 58 | 1 | 1 | 27 | 72 | 6 | 1 | 8 | 5 | 10 | .231 | .290 | .366 | 656 | 136 | 418 | 310 | 40 | 3.5 | .260 |
| 17 | Charles Terni | ss | 57 | 24 | 1997-13-401 | A | 106 | 352 | 37 | 84 | 12 | 1 | 2 | 36 | 1 | 1 | 33 | 81 | 9 | 0 | 15 | 3 | 5 | .239 | .317 | .295 | 613 | 104 | 412 | 292 | 33 | 3.1 | .301 |
| 18 | Mario Mendez | of | 84 | 21 | UDFA: 1998 | A+ | 111 | 350 | 38 | 86 | 13 | 4 | 2 | 30 | 6 | 5 | 24 | 81 | 1 | 0 | 9 | 2 | 9 | .246 | .294 | .323 | 617 | 113 | 386 | 289 | 30 | 2.8 | .312 |
| 5 | John Vanden Berg | c | - | 23 | 2002-25-739 | AA | 76 | 276 | 37 | 82 | 12 | 0 | 7 | 39 | 2 | 2 | 20 | 56 | 4 | 1 | 3 | 2 | 4 | .297 | .351 | .417 | 768 | 115 | 305 | 205 | 41 | 5.4 | .349 |
| 23 | Pedro Esparragoza | c | 59 | 21 | UDFA: 1999 | A | 75 | 254 | 36 | 62 | 9 | 1 | 2 | 23 | 14 | 3 | 21 | 48 | 2 | 2 | 13 | 3 | 6 | .244 | .304 | .311 | 615 | 79 | 293 | 217 | 25 | 3.1 | .290 |
| 1 | Tony Gwynn | cf-lf | - | 20 | 2003-2-39 | MLB | 61 | 236 | 35 | 66 | 8 | 0 | 1 | 33 | 14 | 2 | 32 | 31 | 2 | 0 | 4 | 5 | 3 | .280 | .364 | .326 | 690 | 77 | 279 | 184 | 34 | 5.0 | .311 |
| 11 | Nic Carter | of | - | 22 | 2002-4-109 | A | 63 | 205 | 19 | 31 | 4 | 1 | 0 | 18 | 6 | 4 | 12 | 50 | 0 | 1 | 5 | 2 | 5 | .151 | .196 | .180 | 377 | 37 | 224 | 190 | -1 | -0.2 | .197 |
| 6 | Steve Moss | of | - | 19 | 2002-29-859 | AAA | 57 | 186 | 25 | 54 | 8 | 3 | 1 | 22 | 7 | 5 | 32 | 44 | 4 | 1 | 2 | 4 | 0 | .290 | .398 | .382 | 780 | 71 | 228 | 143 | 32 | 6.0 | .366 |
| 28 | Adam Heether | lf-3b | - | 21 | 2003-11-309 | AAA | 47 | 171 | 28 | 39 | 12 | 1 | 2 | 22 | 4 | 4 | 18 | 28 | 3 | 0 | 4 | 0 | 4 | .228 | .312 | .345 | 658 | 59 | 196 | 144 | 19 | 3.7 | .262 |
| 24 | Keith Bohanan | if | - | 22 | 2002-23-679 | A | 38 | 94 | 9 | 17 | 0 | 0 | 0 | 6 | 3 | 0 | 8 | 32 | 2 | 0 | 5 | 0 | 1 | .181 | .260 | .181 | 440 | 17 | 109 | 83 | 2 | 0.5 | .274 |
| - | Rickie Weeks | 2b | - | 20 | 2003-1-2 | MLB | 20 | 63 | 13 | 22 | 8 | 1 | 1 | 16 | 2 | 0 | 15 | 9 | 6 | 0 | 0 | 3 | 1 | .349 | .494 | .556 | 1050 | 35 | 87 | 45 | 21 | 12.8 | .375 |
| 24 | Mark Ernster | 3b | - | 25 | 1999-6-184 | AA | 9 | 35 | 7 | 8 | 2 | 0 | 1 | 5 | 1 | 0 | 2 | 11 | 0 | 0 | 0 | 0 | 0 | .229 | .270 | .371 | 642 | 13 | 37 | 27 | 3 | 3.4 | .304 |
| 11 | Joshua Murray | ss | - | 18 | 2002-2-48 | A+ | 10 | 32 | 4 | 6 | 2 | 0 | 0 | 4 | 0 | 0 | 2 | 11 | 2 | 0 | 1 | 0 | 0 | .187 | .278 | .250 | 528 | 8 | 37 | 27 | 2 | 1.8 | .286 |
| Totals: (17 players) | 136 | 4560 | 639 | 1185 | 192 | 26 | 67 | 563 | 172 | 59 | 472 | 877 | 73 | 22 | 104 | 39 | 84 | .260 | .336 | .357 | 693 | 1630 | 5248 | 3661 | 587 | 4.3 | .306 | ||||||
| # | Player | Rk | Age | Drafted | HiLvl | W | L | ERA | G | GS | CG | SH | GF | SV | IP | H | R | ER | HR | BB | SO | WP | Bk | WHIP | H9 | HR9 | BB9 | SO9 | BB/SO |
| 22 | Dennis Sarfate | 8 | 22 | 2001-9-268 | MLB | 12 | 2 | 2.84 | 26 | 26 | 0 | 0 | 0 | 0 | 139.2 | 114 | 50 | 44 | 11 | 66 | 140 | 5 | 2 | 1.29 | 7.35 | 0.71 | 4.25 | 9.02 | 0.47 |
| 26 | Manny Parra | 9 | 20 | 2001-26-778 | MLB | 11 | 2 | 2.73 | 23 | 23 | 1 | 0 | 0 | 0 | 138.2 | 127 | 50 | 42 | 9 | 24 | 117 | 5 | 3 | 1.09 | 8.24 | 0.58 | 1.56 | 7.59 | 0.21 |
| 32 | Luis Pena | - | 20 | UDFA: 1999 | AAA | 2 | 6 | 3.90 | 23 | 18 | 1 | 0 | 2 | 0 | 90.0 | 92 | 51 | 39 | 6 | 46 | 53 | 9 | 0 | 1.53 | 9.20 | 0.60 | 4.60 | 5.30 | 0.87 |
| 12 | Jeff Housman | - | 21 | 2002-33-979 | AAA | 2 | 7 | 1.81 | 20 | 15 | 0 | 0 | 1 | 0 | 89.1 | 79 | 40 | 18 | 5 | 26 | 50 | 1 | 1 | 1.18 | 7.96 | 0.50 | 2.62 | 5.04 | 0.52 |
| 9 | Tom Wilhelmsen | 86 | 19 | 2002-7-199 | MLB | 5 | 5 | 2.76 | 15 | 15 | 1 | 0 | 0 | 0 | 88.0 | 78 | 35 | 27 | 6 | 27 | 63 | 2 | 0 | 1.19 | 7.98 | 0.61 | 2.76 | 6.44 | 0.43 |
| 21 | Bo Hall | 36 | 22 | 2002-19-559 | AAA | 8 | 4 | 2.59 | 46 | 0 | 0 | 0 | 32 | 11 | 73.0 | 52 | 27 | 21 | 3 | 29 | 76 | 4 | 1 | 1.11 | 6.41 | 0.37 | 3.58 | 9.37 | 0.38 |
| 33 | Joshua Alliston | 32 | 23 | 2002-21-619 | AAA | 4 | 6 | 3.33 | 52 | 0 | 0 | 0 | 35 | 10 | 70.1 | 67 | 34 | 26 | 4 | 18 | 75 | 8 | 0 | 1.21 | 8.57 | 0.51 | 2.30 | 9.60 | 0.24 |
| 19 | Craig Breslow | - | 22 | 2002-26-769 | MLB | 3 | 4 | 5.12 | 33 | 0 | 0 | 0 | 12 | 2 | 65.0 | 64 | 43 | 37 | 4 | 27 | 80 | 1 | 0 | 1.40 | 8.86 | 0.55 | 3.74 | 11.08 | 0.34 |
| 16 | Calvin Carpenter | - | 20 | 2001-6-178 | A | 3 | 6 | 3.86 | 16 | 12 | 0 | 0 | 1 | 0 | 60.2 | 53 | 40 | 26 | 4 | 50 | 46 | 5 | 0 | 1.70 | 7.86 | 0.59 | 7.42 | 6.82 | 1.09 |
| 29 | Ryan Trytten | - | 22 | 2000-39-1161 | AAA | 3 | 4 | 6.33 | 28 | 4 | 0 | 0 | 10 | 1 | 58.1 | 81 | 53 | 41 | 3 | 29 | 31 | 8 | 2 | 1.89 | 12.50 | 0.46 | 4.47 | 4.78 | 0.94 |
| 30 | Jason Baker | - | 22 | 2002-31-919 | A | 5 | 4 | 4.08 | 21 | 6 | 0 | 0 | 3 | 0 | 57.1 | 70 | 35 | 26 | 5 | 18 | 35 | 3 | 0 | 1.53 | 10.99 | 0.78 | 2.83 | 5.49 | 0.51 |
| 14 | Khalid Ballouli | - | 23 | 2002-6-169 | AA | 5 | 4 | 4.15 | 15 | 8 | 0 | 0 | 2 | 2 | 56.1 | 60 | 34 | 26 | 1 | 14 | 45 | 4 | 1 | 1.31 | 9.59 | 0.16 | 2.24 | 7.19 | 0.31 |
| 27 | Eric Henderson | - | 23 | 2000-4-111 | A+ | 4 | 2 | 4.53 | 10 | 10 | 0 | 0 | 0 | 0 | 53.2 | 61 | 29 | 27 | 3 | 23 | 23 | 3 | 1 | 1.57 | 10.23 | 0.50 | 3.86 | 3.86 | 1.00 |
| 15 | Justin Gabriel | - | 24 | 2002-30-889 | A | 2 | 0 | 4.23 | 21 | 0 | 0 | 0 | 4 | 1 | 44.2 | 54 | 25 | 21 | 2 | 19 | 44 | 4 | 0 | 1.63 | 10.88 | 0.40 | 3.83 | 8.87 | 0.43 |
| 35 | Jon Huizinga | - | 23 | UDFA: 2003 | A | 4 | 0 | 4.32 | 23 | 0 | 0 | 0 | 10 | 2 | 41.2 | 56 | 34 | 20 | 3 | 13 | 30 | 9 | 0 | 1.66 | 12.10 | 0.65 | 2.81 | 6.48 | 0.43 |
| 35 | Gabriel Mendoza | - | 21 | UDFA: 1998 | A | 1 | 2 | 4.13 | 18 | 0 | 0 | 0 | 7 | 2 | 32.2 | 34 | 24 | 15 | 2 | 16 | 38 | 6 | 0 | 1.53 | 9.37 | 0.55 | 4.41 | 10.47 | 0.42 |
| 31 | Timothy Bausher | - | 24 | 2001-27-819 | AAA | 1 | 2 | 3.33 | 19 | 0 | 0 | 0 | 9 | 3 | 27.0 | 19 | 12 | 10 | 3 | 12 | 39 | 2 | 1 | 1.15 | 6.33 | 1.00 | 4.00 | 13.00 | 0.31 |
| - | Jon Steitz | - | 22 | 2001-3-88 | A | 0 | 1 | 5.79 | 4 | 0 | 0 | 0 | 0 | 0 | 9.1 | 12 | 9 | 6 | 2 | 5 | 5 | 0 | 0 | 1.82 | 11.57 | 1.93 | 4.82 | 4.82 | 1.00 |
| - | Forrest Martin | - | 23 | UDFA: 2003 | A+ | 0 | 0 | 6.48 | 4 | 0 | 0 | 0 | 1 | 0 | 8.1 | 12 | 6 | 6 | 1 | 0 | 3 | 0 | 0 | 1.44 | 12.96 | 1.08 | 0.00 | 3.24 | 0.00 |
| 18 | Mario Mendez | - | 21 | UDFA: 1998 | A+ | 0 | 0 | 29.45 | 5 | 0 | 0 | 0 | 2 | 0 | 3.2 | 10 | 12 | 12 | 0 | 8 | 3 | 1 | 0 | 4.91 | 24.55 | 0.00 | 19.64 | 7.36 | 2.67 |
| 24 | Keith Bohanan | - | 22 | 2002-23-679 | A | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 3 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | -- |
| Totals: (17 players) | 75 | 61 | 3.65 | 136 | 136 | 3 | 0 | 133 | 34 | 1,210 | 1195 | 643 | 490 | 67 | 470 | 996 | 80 | 12 | 1.37 | 8.89 | 0.57 | 3.50 | 7.41 | 0.47 | |||||
| Player | Pos | G | Inn | PO | A | E | DP | Fpct | RF | |
| Pedro Esparragoza | C | 75 | 528 | 77 | 14 | 2 | .977 | 0.00 | ||
| John Vanden Berg | C | 65 | 492 | 33 | 7 | 2 | .987 | 0.00 | ||
| Player | Pos | G | Inn | PO | A | E | DP | Fpct | RF | |
| Prince Fielder | 1B | 126 | 1030 | 67 | 18 | 83 | .984 | 0.00 | ||
| Jeffrey Eure | 1B | 10 | 86 | 2 | 1 | 5 | .989 | 0.00 | ||
| Keith Bohanan | 1B | 2 | 16 | 1 | 0 | 3 | 1.000 | 0.00 | ||
| Player | Pos | G | Inn | PO | A | E | DP | Fpct | RF | |
| Callix Crabbe | 2B | 113 | 232 | 328 | 32 | 64 | .946 | 0.00 | ||
| Rickie Weeks | 2B | 19 | 31 | 53 | 7 | 6 | .923 | 0.00 | ||
| Keith Bohanan | 2B | 9 | 10 | 18 | 4 | 3 | .875 | 0.00 | ||
| Adam Heether | 2B | 2 | 1 | 4 | 0 | 0 | 1.000 | 0.00 | ||
| Mark Ernster | 2B | 1 | 2 | 3 | 0 | 1 | 1.000 | 0.00 | ||
| Player | Pos | G | Inn | PO | A | E | DP | Fpct | RF | |
| Jeffrey Eure | 3B | 93 | 63 | 171 | 12 | 7 | .951 | 0.00 | ||
| Adam Heether | 3B | 38 | 23 | 50 | 11 | 2 | .869 | 0.00 | ||
| Mark Ernster | 3B | 5 | 3 | 6 | 1 | 0 | .900 | 0.00 | ||
| Keith Bohanan | 3B | 3 | 0 | 1 | 0 | 0 | 1.000 | 0.00 | ||
| Player | Pos | G | Inn | PO | A | E | DP | Fpct | RF | |
| Charles Terni | SS | 105 | 188 | 279 | 34 | 51 | .932 | 0.00 | ||
| Keith Bohanan | SS | 13 | 16 | 32 | 6 | 8 | .889 | 0.00 | ||
| Joshua Murray | SS | 10 | 16 | 17 | 5 | 4 | .868 | 0.00 | ||
| Jeffrey Eure | SS | 8 | 10 | 20 | 6 | 5 | .833 | 0.00 | ||
| Callix Crabbe | SS | 6 | 11 | 11 | 4 | 3 | .846 | 0.00 | ||
| Player | Pos | G | Inn | PO | A | E | DP | Fpct | RF | |
| Kennard Bibbs | OF | 122 | 216 | 12 | 2 | 1 | .991 | 0.00 | ||
| Mario Mendez | OF | 100 | 182 | 4 | 6 | 1 | .969 | 0.00 | ||
| Nic Carter | OF | 62 | 73 | 3 | 4 | 0 | .950 | 0.00 | ||
| Tony Gwynn | OF | 61 | 158 | 6 | 2 | 3 | .988 | 0.00 | ||
| Steve Moss | OF | 57 | 125 | 9 | 0 | 0 | 1.000 | 0.00 | ||
| Travis Hinton | OF | 36 | 58 | 1 | 3 | 0 | .952 | 0.00 | ||
| Player | Pos | G | Inn | PO | A | E | DP | Fpct | RF | |
| Bo Hall | P | 46 | 1 | 6 | 0 | 0 | 1.000 | 0.00 | ||
| Craig Breslow | P | 33 | 2 | 13 | 1 | 0 | .937 | 0.00 | ||
| Ryan Trytten | P | 28 | 7 | 9 | 1 | 0 | .941 | 0.00 | ||
| Dennis Sarfate | P | 26 | 4 | 15 | 3 | 0 | .864 | 0.00 | ||
| Jon Huizinga | P | 23 | 2 | 3 | 2 | 0 | .714 | 0.00 | ||
| Manny Parra | P | 23 | 4 | 22 | 0 | 0 | 1.000 | 0.00 | ||
| Luis Pena | P | 23 | 8 | 11 | 2 | 1 | .905 | 0.00 | ||
| Jason Baker | P | 21 | 1 | 7 | 0 | 0 | 1.000 | 0.00 | ||
| Justin Gabriel | P | 21 | 1 | 10 | 0 | 1 | 1.000 | 0.00 | ||
| Jeff Housman | P | 20 | 4 | 15 | 1 | 2 | .950 | 0.00 | ||
| Timothy Bausher | P | 19 | 0 | 1 | 1 | 0 | .500 | 0.00 | ||
| Gabriel Mendoza | P | 18 | 0 | 6 | 0 | 1 | 1.000 | 0.00 | ||
| Tom Wilhelmsen | P | 15 | 8 | 15 | 2 | 1 | .920 | 0.00 | ||
| Eric Henderson | P | 10 | 3 | 22 | 2 | 0 | .926 | 0.00 | ||
| Mario Mendez | P | 5 | 0 | 1 | 0 | 0 | 1.000 | 0.00 | ||
| Forrest Martin | P | 4 | 0 | 2 | 0 | 0 | 1.000 | 0.00 | ||
| Jon Steitz | P | 4 | 0 | 2 | 1 | 0 | .667 | 0.00 | ||
| Keith Bohanan | P | 3 | 0 | 0 | 0 | 0 | .000 | 0.00 |