| RP | Rincon, R.Rincon, Ricardo >> | 33 | 2003 | L | 31 | 8 | 4 | 3.25 | .306 | .350 | 1.40 | 7.4 | 5.2 | 6.5 | 55 | 45 | 4 | 32 | 40 | 0 | 0 | 0 | 25 | +1.27 | C |
| RP | Randolph, S.Randolph, Stephen >> | 29 | 2003 | L | 24 | 8 | 1 | 4.05 | .329 | .380 | 1.55 | 7.5 | 6.5 | 7.5 | 60 | 50 | 7 | 43 | 50 | 0 | 0 | 4 | 23 | +0.82 | C |
| RP | Rodriguez, F.Rodriguez, Felix >> | 31 | 2003 | R | 18 | 8 | 2 | 3.10 | .313 | .360 | 1.44 | 8.7 | 4.3 | 6.8 | 61 | 59 | 5 | 29 | 46 | 0 | 2 | 5 | 25 | +1.07 | C |
| RP | Looper, B.Looper, Braden >> | 29 | 2003 | R | 12 | 6 | 4 | 3.68 | .307 | .350 | 1.39 | 9.2 | 3.3 | 6.3 | 80 | 82 | 4 | 29 | 56 | 0 | 28 | 2 | 24 | +1.16 | C |
| RP | Bong, J.Bong, Jung >> | 23 | 2003 | L | 11 | 6 | 2 | 5.05 | .325 | .370 | 1.53 | 8.8 | 4.9 | 7.4 | 57 | 56 | 8 | 31 | 47 | 0 | 1 | 6 | 21 | -0.32 | C |
| RP | Matthews, M.Matthews, Mike >> | 30 | 2003 | L | 9 | 6 | 4 | 4.45 | .318 | .370 | 1.47 | 9.1 | 4.1 | 6.2 | 64 | 65 | 4 | 29 | 44 | 0 | 0 | 4 | 25 | -0.16 | C |
| RP | Williamson, S.Williamson, Scott >> | 27 | 2003 | R | 35 | 5 | 4 | 4.16 | .310 | .360 | 1.42 | 7.8 | 4.9 | 10.7 | 62 | 54 | 7 | 34 | 74 | 0 | 21 | 12 | 25 | +0.7 | C |
| RP | Rincon, J.Rincon, Juan >> | 24 | 2003 | R | 38 | 5 | 6 | 3.68 | .297 | .340 | 1.32 | 7.8 | 4.0 | 6.7 | 85 | 74 | 5 | 38 | 63 | 0 | 0 | 7 | 29 | +1.19 | C |
| RP | Boehringer, B.Boehringer, Brian >> | 34 | 2003 | R | 6 | 5 | 4 | 5.49 | .324 | .370 | 1.52 | 9.3 | 4.4 | 6.8 | 62 | 64 | 11 | 30 | 47 | 0 | 0 | 0 | 23 | -0.44 | C |
| RP | DeJean, M.DeJean, Mike >> | 33 | 2003 | R | 7 | 5 | 8 | 4.68 | .328 | .370 | 1.52 | 9.4 | 4.3 | 7.8 | 82 | 86 | 13 | 39 | 71 | 0 | 19 | 3 | 23 | +0.09 | C |
| RP | Biddle, R.Biddle, Rocky >> | 27 | 2003 | R | 5 | 5 | 8 | 4.65 | .332 | .380 | 1.56 | 9.0 | 5.1 | 6.8 | 71 | 71 | 10 | 40 | 54 | 0 | 34 | 8 | 25 | -0.31 | C |
| RP | Weber, B.Weber, Ben >> | 34 | 2003 | R | 17 | 5 | 1 | 2.69 | .298 | .340 | 1.33 | 9.5 | 2.5 | 5.2 | 80 | 84 | 7 | 22 | 46 | 0 | 0 | 4 | 20 | +1.85 | C |
| RP | Reed, S.Reed, Steve >> | 38 | 2003 | R | 22 | 5 | 3 | 3.27 | .299 | .350 | 1.35 | 8.4 | 3.7 | 5.6 | 63 | 59 | 9 | 26 | 39 | 0 | 0 | 1 | 25 | +1.45 | C |
| RP | Lyon, B.Lyon, Brandon >> | 24 | 2003 | R | 2 | 4 | 6 | 4.12 | .330 | .380 | 1.56 | 11.1 | 2.9 | 7.6 | 59 | 73 | 6 | 19 | 50 | 0 | 9 | 0 | 25 | +0.38 | C |
| RP | Ligtenberg, K.Ligtenberg, Kerry >> | 32 | 2003 | R | 33 | 4 | 2 | 3.34 | .284 | .330 | 1.25 | 9.2 | 2.1 | 7.2 | 59 | 60 | 9 | 14 | 47 | 0 | 1 | 0 | 25 | +1.47 | C |
| RP | Harper, T.Harper, Travis >> | 27 | 2003 | R | 42 | 4 | 8 | 3.77 | .288 | .330 | 1.26 | 8.3 | 3.0 | 6.2 | 93 | 86 | 9 | 31 | 64 | 0 | 1 | 6 | 25 | +0.92 | C |
| RP | Vizcaino, L.Vizcaino, Luis >> | 29 | 2003 | R | 16 | 4 | 3 | 6.39 | .312 | .360 | 1.44 | 9.3 | 3.6 | 8.9 | 62 | 64 | 16 | 25 | 61 | 0 | 0 | 3 | 25 | -0.71 | C |
| RP | de los Santos, V.de los Santos, Valerio >> | 31 | 2003 | L | 36 | 4 | 3 | 4.50 | .297 | .350 | 1.35 | 7.8 | 4.3 | 6.8 | 52 | 45 | 8 | 25 | 39 | 0 | 1 | 2 | 25 | +0.11 | C |
| RP | Tavarez, J.Tavarez, Julian >> | 30 | 2003 | R | 45 | 3 | 3 | 3.66 | .283 | .330 | 1.23 | 8.1 | 2.9 | 4.2 | 83 | 75 | 1 | 27 | 39 | 0 | 11 | 3 | 20 | +1.19 | C |
| RP | Linebrink, S.Linebrink, Scott >> | 27 | 2003 | R | 13 | 3 | 2 | 3.31 | .311 | .350 | 1.40 | 9.1 | 3.5 | 6.7 | 92 | 93 | 9 | 36 | 68 | 0 | 0 | 11 | 23 | +1.26 | C |
| RP | Silva, C.Silva, Carlos >> | 24 | 2003 | R | 3 | 3 | 1 | 4.43 | .323 | .370 | 1.48 | 9.5 | 3.8 | 5.0 | 87 | 92 | 7 | 37 | 48 | 0 | 1 | 12 | 25 | +0.2 | C |
| RP | Alfonseca, A.Alfonseca, Antonio >> | 31 | 2003 | R | 1 | 3 | 1 | 5.83 | .331 | .380 | 1.56 | 10.4 | 3.7 | 7.0 | 66 | 76 | 7 | 27 | 51 | 0 | 0 | 0 | 21 | -0.45 | C |
| RP | MacDougal, M.MacDougal, Mike >> | 26 | 2003 | R | 15 | 3 | 5 | 4.08 | .322 | .370 | 1.50 | 9.0 | 4.5 | 8.0 | 64 | 64 | 4 | 32 | 57 | 0 | 27 | 6 | 25 | +0.61 | C |
| RP | Hodges, T.Hodges, Trey >> | 25 | 2003 | R | 8 | 3 | 3 | 4.66 | .328 | .380 | 1.54 | 9.6 | 4.3 | 9.1 | 65 | 69 | 11 | 31 | 66 | 0 | 0 | 7 | 24 | -0.39 | C |
| RP | Schoeneweis, S.Schoeneweis, Scott >> | 30 | 2003 | L | 40 | 3 | 2 | 4.18 | .289 | .340 | 1.28 | 8.9 | 2.7 | 7.9 | 64 | 63 | 3 | 19 | 56 | 0 | 0 | 3 | 25 | +0.3 | C |
| RP | Miller, T.Miller, Trever >> | 30 | 2003 | L | 26 | 2 | 2 | 4.61 | .308 | .360 | 1.42 | 8.0 | 4.8 | 7.6 | 52 | 46 | 7 | 28 | 44 | 0 | 3 | 2 | 25 | +0.45 | C |
| RP | Eischen, J.Eischen, Joey >> | 33 | 2003 | L | 20 | 2 | 2 | 3.06 | .293 | .340 | 1.32 | 9.7 | 2.2 | 6.8 | 53 | 57 | 7 | 13 | 40 | 0 | 1 | 3 | 25 | +0.49 | C |
| RP | Holmes, D.Holmes, Darren >> | 37 | 2003 | R | 20 | 1 | 2 | 4.29 | .299 | .350 | 1.38 | 10.1 | 2.4 | 9.9 | 42 | 47 | 5 | 11 | 46 | 0 | 0 | 1 | 25 | +0.03 | C |
| RP | Weathers, D.Weathers, Dave >> | 34 | 2003 | R | 14 | 1 | 6 | 3.08 | .319 | .360 | 1.46 | 9.0 | 4.1 | 7.8 | 87 | 87 | 6 | 40 | 75 | 0 | 7 | 1 | 20 | +2.14 | C |
| RP | Fultz, A.Fultz, Aaron >> | 30 | 2003 | L | 4 | 1 | 3 | 5.21 | .326 | .370 | 1.52 | 10.1 | 3.6 | 7.1 | 67 | 75 | 9 | 27 | 53 | 0 | 0 | 1 | 25 | -0.22 | C |
| RP | Politte, C.Politte, Cliff >> | 29 | 2003 | R | 10 | 1 | 5 | 5.66 | .305 | .360 | 1.41 | 9.6 | 3.1 | 7.3 | 49 | 52 | 11 | 17 | 40 | 0 | 12 | 1 | 25 | -0.03 | C |
| RP | Adams, T.Adams, Terry >> | 30 | 2003 | R | 21 | 1 | 4 | 2.65 | .298 | .340 | 1.34 | 9.0 | 3.0 | 6.8 | 68 | 68 | 1 | 23 | 51 | 0 | 0 | 4 | 24 | +1.36 | C |
| RP | Bauer, R.Bauer, Rick >> | 26 | 2003 | R | 25 | 0 | 0 | 4.55 | .298 | .350 | 1.34 | 8.6 | 3.5 | 6.3 | 61 | 58 | 5 | 24 | 43 | 0 | 0 | 6 | 24 | +0.07 | C |
| RP | Shouse, B.Shouse, Brian >> | 35 | 2003 | L | 30 | 0 | 1 | 3.10 | .283 | .330 | 1.25 | 9.1 | 2.1 | 5.9 | 61 | 62 | 1 | 14 | 40 | 0 | 1 | 0 | 25 | +1.36 | C |
| RP | Julio, J.Julio, Jorge >> | 24 | 2003 | R | 10 | 0 | 7 | 4.38 | .328 | .380 | 1.54 | 8.9 | 5.0 | 7.7 | 61 | 60 | 10 | 34 | 52 | 0 | 36 | 0 | 25 | -0.12 | C |