| SP | Hurst, B.Hurst, Bruce >> | 30 | 1988 | L | 26 | 18 | 6 | 3.66 | .304 | .350 | 1.33 | 9.3 | 2.7 | 6.9 | 216 | 222 | 21 | 65 | 166 | 7 | 0 | 5 | 115 | +3.36 | C |
| SP | Welch, B.Welch, Bob >> | 32 | 1988 | R | 36 | 17 | 9 | 3.64 | .300 | .350 | 1.30 | 8.7 | 3.0 | 5.8 | 244 | 237 | 22 | 81 | 158 | 4 | 0 | 3 | 119 | +2.87 | C |
| SP | Davis, S.Davis, Storm >> | 27 | 1988 | R | 3 | 16 | 7 | 3.70 | .330 | .380 | 1.50 | 9.4 | 4.1 | 5.7 | 201 | 211 | 16 | 91 | 127 | 1 | 0 | 16 | 108 | +2.76 | C |
| SP | Alexander, D.Alexander, Doyle >> | 38 | 1988 | R | 10 | 14 | 11 | 4.32 | .305 | .350 | 1.34 | 10.2 | 1.8 | 5.0 | 229 | 260 | 30 | 46 | 126 | 5 | 0 | 2 | 118 | +0.27 | C |
| SP | Farrell, J.Farrell, John >> | 26 | 1988 | R | 13 | 14 | 10 | 4.24 | .307 | .360 | 1.35 | 9.3 | 2.9 | 3.9 | 210 | 216 | 15 | 67 | 92 | 4 | 0 | 2 | 119 | +2.79 | C |
| SP | Tanana, F.Tanana, Frank >> | 35 | 1988 | L | 12 | 14 | 11 | 4.21 | .309 | .360 | 1.36 | 9.4 | 2.8 | 5.6 | 203 | 213 | 25 | 64 | 127 | 2 | 0 | 6 | 112 | +0.41 | C |
| SP | Candiotti, T.Candiotti, Tom >> | 31 | 1988 | R | 30 | 14 | 8 | 3.28 | .297 | .350 | 1.29 | 9.4 | 2.2 | 5.7 | 216 | 225 | 15 | 53 | 137 | 11 | 0 | 5 | 122 | +5.71 | C |
| SP | Saberhagen, B.Saberhagen, Bret >> | 24 | 1988 | R | 35 | 14 | 16 | 3.80 | .295 | .340 | 1.27 | 9.4 | 2.0 | 5.9 | 260 | 271 | 18 | 59 | 171 | 9 | 0 | 9 | 130 | +3.78 | C |
| SP | Flanagan, M.Flanagan, Mike >> | 37 | 1988 | L | 4 | 13 | 13 | 4.18 | .318 | .370 | 1.42 | 9.4 | 3.4 | 4.2 | 211 | 220 | 23 | 80 | 99 | 2 | 0 | 3 | 110 | +1.22 | C |
| SP | Sutcliffe, R.Sutcliffe, Rick >> | 32 | 1988 | R | 20 | 13 | 14 | 3.86 | .305 | .350 | 1.34 | 9.2 | 2.8 | 5.7 | 226 | 232 | 18 | 70 | 144 | 12 | 0 | 11 | 124 | +3.39 | C |
| SP | Witt, M.Witt, Mike >> | 28 | 1988 | R | 5 | 13 | 16 | 4.15 | .316 | .360 | 1.41 | 9.5 | 3.1 | 4.8 | 249 | 263 | 14 | 87 | 133 | 12 | 0 | 9 | 128 | +1.47 | C |
| SP | Wegman, B.Wegman, Bill >> | 26 | 1988 | R | 23 | 13 | 13 | 4.12 | .297 | .350 | 1.29 | 9.4 | 2.3 | 3.8 | 199 | 207 | 24 | 50 | 84 | 4 | 0 | 1 | 110 | +0.95 | C |
| SP | Boddicker, M.Boddicker, Mike >> | 31 | 1988 | R | 29 | 13 | 15 | 3.39 | .302 | .350 | 1.32 | 8.9 | 2.9 | 5.9 | 236 | 234 | 17 | 77 | 156 | 5 | 0 | 6 | 115 | +4.17 | C |
| SP | Rhoden, R.Rhoden, Rick >> | 35 | 1988 | R | 15 | 12 | 12 | 4.29 | .304 | .350 | 1.33 | 9.4 | 2.6 | 4.3 | 197 | 206 | 20 | 56 | 94 | 5 | 0 | 2 | 116 | +1.06 | C |
| SP | Bannister, F.Bannister, Floyd >> | 33 | 1988 | L | 28 | 12 | 13 | 4.33 | .302 | .350 | 1.32 | 8.7 | 3.2 | 5.4 | 189 | 182 | 22 | 68 | 113 | 2 | 0 | 6 | 108 | +1.17 | C |
| SP | Clancy, J.Clancy, Jim >> | 33 | 1988 | R | 22 | 11 | 13 | 4.49 | .298 | .350 | 1.30 | 9.5 | 2.2 | 5.4 | 196 | 207 | 26 | 47 | 118 | 4 | 1 | 7 | 97 | +0.09 | C |
| SP | Young, C.Young, Curt >> | 28 | 1988 | L | 10 | 11 | 8 | 4.14 | .307 | .360 | 1.36 | 9.3 | 2.9 | 4.0 | 156 | 162 | 23 | 50 | 69 | 1 | 0 | 3 | 106 | +0.94 | C |
| SP | Carman, D.Carman, Don >> | 29 | 1988 | L | 8 | 10 | 14 | 4.29 | .314 | .360 | 1.40 | 9.4 | 3.1 | 5.2 | 201 | 211 | 20 | 70 | 116 | 2 | 0 | 8 | 99 | +1.85 | C |
| SP | Blyleven, B.Blyleven, Bert >> | 37 | 1988 | R | 7 | 10 | 17 | 5.43 | .316 | .360 | 1.41 | 10.4 | 2.2 | 6.3 | 207 | 240 | 21 | 51 | 145 | 7 | 0 | 5 | 111 | -0.67 | C |
| SP | Russell, J.Russell, Jeff >> | 27 | 1988 | R | 25 | 10 | 9 | 3.82 | .303 | .350 | 1.32 | 8.8 | 3.2 | 4.2 | 188 | 183 | 15 | 66 | 88 | 5 | 0 | 5 | 98 | +2.44 | C |
| SP | Jones, J.Jones, Jimmy >> | 24 | 1988 | R | 16 | 9 | 14 | 4.12 | .301 | .350 | 1.32 | 9.7 | 2.2 | 4.1 | 179 | 192 | 14 | 44 | 82 | 3 | 0 | 4 | 109 | -0.92 | C |
| SP | Moyer, J.Moyer, Jamie >> | 26 | 1988 | L | 20 | 9 | 15 | 3.48 | .302 | .350 | 1.32 | 9.4 | 2.5 | 5.4 | 202 | 212 | 20 | 55 | 121 | 3 | 0 | 4 | 105 | +3.42 | C |
| SP | Schiraldi, C.Schiraldi, Calvin >> | 26 | 1988 | R | 24 | 9 | 13 | 4.38 | .311 | .360 | 1.38 | 9.0 | 3.4 | 7.6 | 166 | 166 | 13 | 63 | 140 | 2 | 1 | 6 | 101 | +0.69 | C |
| SP | Mahler, R.Mahler, Rick >> | 35 | 1988 | R | 21 | 9 | 16 | 3.69 | .298 | .350 | 1.29 | 10.1 | 1.5 | 4.7 | 249 | 279 | 17 | 42 | 131 | 5 | 0 | 5 | 113 | +2.46 | C |
| SP | Finley, C.Finley, Chuck >> | 26 | 1988 | L | 17 | 9 | 15 | 4.17 | .316 | .360 | 1.41 | 8.9 | 3.8 | 5.1 | 194 | 191 | 15 | 82 | 111 | 2 | 0 | 5 | 110 | +2 | C |
| SP | McCaskill, K.McCaskill, Kirk >> | 27 | 1988 | R | 6 | 8 | 6 | 4.31 | .325 | .380 | 1.48 | 9.6 | 3.8 | 6.0 | 146 | 155 | 9 | 61 | 98 | 4 | 0 | 13 | 112 | +0.8 | C |
| SP | Long, B.Long, Bill >> | 28 | 1988 | R | 11 | 8 | 11 | 4.03 | .302 | .350 | 1.32 | 9.7 | 2.2 | 4.0 | 174 | 187 | 21 | 43 | 77 | 3 | 2 | 2 | 67 | +0.98 | C |
| SP | Smith, P.Smith, Pete >> | 22 | 1988 | R | 27 | 7 | 15 | 3.69 | .313 | .360 | 1.39 | 8.4 | 4.1 | 5.7 | 195 | 183 | 15 | 88 | 124 | 5 | 0 | 5 | 108 | +3.29 | C |
| SP | Bosio, C.Bosio, Chris >> | 25 | 1988 | R | 33 | 7 | 15 | 3.36 | .291 | .340 | 1.25 | 9.4 | 1.9 | 4.2 | 182 | 190 | 13 | 38 | 84 | 9 | 6 | 1 | 85 | +2.34 | C |
| SP | Bautista, J.Bautista, Jose >> | 24 | 1988 | R | 34 | 6 | 15 | 4.30 | .292 | .340 | 1.26 | 9.0 | 2.4 | 4.0 | 171 | 171 | 21 | 45 | 76 | 3 | 0 | 4 | 92 | +1.67 | C |
| SP | Peraza, O.Peraza, Oswaldo >> | 26 | 1988 | R | 2 | 5 | 7 | 5.55 | .335 | .390 | 1.57 | 10.3 | 3.9 | 6.4 | 86 | 98 | 10 | 37 | 61 | 1 | 0 | 4 | 81 | -1.07 | C |
| SP | Charlton, N.Charlton, Norm >> | 25 | 1988 | L | 31 | 4 | 5 | 3.96 | .293 | .350 | 1.31 | 8.9 | 3.0 | 5.8 | 61 | 60 | 6 | 20 | 39 | 0 | 0 | 3 | 108 | +0.27 | C |
| SP | Maddux, M.Maddux, Mike >> | 27 | 1988 | R | 14 | 4 | 3 | 3.76 | .313 | .370 | 1.42 | 9.3 | 3.5 | 6.0 | 88 | 91 | 6 | 34 | 59 | 0 | 0 | 4 | 64 | +0.99 | C |
| SP | Stottlemyre, T.Stottlemyre, Todd >> | 23 | 1988 | R | 1 | 4 | 8 | 5.69 | .338 | .390 | 1.58 | 10.0 | 4.2 | 6.2 | 98 | 109 | 15 | 46 | 67 | 0 | 0 | 2 | 64 | -1.66 | C |
| SP | Cox, D.Cox, Danny >> | 29 | 1988 | R | 19 | 3 | 8 | 3.98 | .298 | .350 | 1.33 | 9.3 | 2.6 | 4.9 | 86 | 89 | 6 | 25 | 47 | 0 | 0 | 4 | 116 | +0.72 | C |
| SP | Soto, M.Soto, Mario >> | 32 | 1988 | R | 18 | 3 | 7 | 4.66 | .300 | .350 | 1.33 | 9.1 | 2.9 | 3.5 | 87 | 88 | 8 | 28 | 34 | 3 | 0 | 0 | 110 | -0.66 | C |
| SP | Sutton, D.Sutton, Don >> | 43 | 1988 | R | 9 | 3 | 6 | 3.92 | .309 | .360 | 1.39 | 9.4 | 3.1 | 4.6 | 87 | 91 | 7 | 30 | 44 | 0 | 0 | 2 | 96 | -0.12 | C |
| SP | Mulholland, T.Mulholland, Terry >> | 25 | 1988 | L | 30 | 2 | 1 | 3.72 | .278 | .340 | 1.24 | 9.8 | 1.4 | 3.5 | 46 | 50 | 3 | 7 | 18 | 2 | 0 | 1 | 91 | +0.13 | C |
| SP | Guidry, R.Guidry, Ron >> | 38 | 1988 | L | 32 | 2 | 3 | 4.18 | .288 | .350 | 1.29 | 9.2 | 2.4 | 5.1 | 56 | 57 | 7 | 15 | 32 | 0 | 0 | 2 | 83 | +0.47 | C |