| SP | Hoyt, L.Hoyt, La Marr | 30 | Expos | R | 84 | 17 | 17 | 11 | 4 | 3.27 | .282 | 1.18 | 8.7 | 2.0 | 5.0 | 134.2 | 129 | 54 | 49 | 11 | 30 | 75 | 5 | 0 | 0 | 0 | 13 | 0 | 2 | 3.62 |
| SP | Righetti, D.Righetti, Dave | 27 | Astros | L | 100 | 17 | 17 | 12 | 4 | 1.83 | .260 | 1.05 | 6.8 | 2.6 | 6.5 | 133.0 | 100 | 29 | 27 | 3 | 39 | 96 | 6 | 0 | 0 | 3 | 14 | 1 | 0 | 2.75 |
| SP | Gooden, D.Gooden, Dwight | 21 | Mets | R | 99 | 17 | 17 | 13 | 3 | 3.18 | .287 | 1.21 | 7.2 | 3.7 | 8.1 | 130.0 | 104 | 48 | 46 | 7 | 53 | 117 | 3 | 0 | 0 | 2 | 11 | 0 | 2 | 3.12 |
| SP | Morris, J.Morris, Jack | 30 | Cardinals | R | 82 | 17 | 17 | 8 | 6 | 3.42 | .298 | 1.26 | 8.4 | 2.9 | 5.3 | 129.0 | 120 | 55 | 49 | 12 | 42 | 76 | 4 | 0 | 0 | 1 | 11 | 2 | 3 | 4.05 |
| SP | Soto, M.Soto, Mario | 29 | Reds | R | 93 | 17 | 17 | 10 | 3 | 3.62 | .287 | 1.21 | 7.0 | 3.9 | 5.5 | 126.2 | 98 | 51 | 51 | 14 | 55 | 77 | 4 | 0 | 0 | 3 | 9 | 0 | 3 | 4.53 |
| SP | Valenzuela, F.Valenzuela, Fernando | 25 | Dodgers | L | 100 | 17 | 17 | 7 | 5 | 3.71 | .316 | 1.39 | 9.3 | 3.2 | 7.3 | 126.0 | 130 | 53 | 52 | 9 | 45 | 102 | 3 | 0 | 0 | 1 | 10 | 0 | 2 | 3.38 |
| SP | Gullickson, B.Gullickson, Bill | 26 | Expos | R | 97 | 17 | 17 | 8 | 7 | 3.70 | .282 | 1.18 | 8.7 | 1.9 | 5.6 | 124.0 | 120 | 58 | 51 | 4 | 26 | 77 | 6 | 0 | 0 | 0 | 8 | 0 | 3 | 2.81 |
| SP | Russell, J.Russell, Jeff | 24 | Reds | R | 96 | 17 | 17 | 8 | 7 | 3.45 | .270 | 1.08 | 7.2 | 2.6 | 5.4 | 122.2 | 97 | 47 | 47 | 9 | 35 | 73 | 6 | 0 | 0 | 0 | 12 | 4 | 2 | 3.72 |
| SP | Ojeda, B.Ojeda, Bob | 28 | Mets | L | 93 | 17 | 17 | 10 | 4 | 2.94 | .275 | 1.14 | 7.1 | 3.2 | 5.5 | 122.1 | 96 | 43 | 40 | 6 | 43 | 74 | 3 | 0 | 0 | 1 | 12 | 0 | 0 | 3.48 |
| SP | Norris, M.Norris, Mike | 30 | Reds | R | 98 | 17 | 17 | 5 | 10 | 3.54 | .302 | 1.29 | 8.0 | 3.5 | 4.6 | 122.0 | 109 | 48 | 48 | 4 | 48 | 63 | 5 | 0 | 0 | 0 | 9 | 1 | 4 | 3.60 |
| SP | Rincon, A.Rincon, Andy | 26 | Cardinals | R | 96 | 17 | 17 | 5 | 9 | 3.98 | .289 | 1.22 | 8.6 | 2.4 | 5.8 | 122.0 | 116 | 61 | 54 | 16 | 33 | 79 | 3 | 0 | 0 | 0 | 9 | 0 | 3 | 4.22 |
| SP | Burns, B.Burns, Britt | 26 | Expos | L | 88 | 17 | 17 | 8 | 9 | 3.26 | .303 | 1.30 | 9.1 | 2.6 | 5.5 | 121.1 | 123 | 48 | 44 | 7 | 35 | 74 | 5 | 0 | 0 | 3 | 10 | 0 | 0 | 3.40 |
| SP | Stoddard, B.Stoddard, Bob | 28 | Dodgers | R | 94 | 17 | 17 | 7 | 8 | 3.72 | .305 | 1.31 | 8.5 | 3.3 | 4.8 | 121.0 | 114 | 76 | 50 | 12 | 44 | 64 | 6 | 0 | 0 | 1 | 10 | 1 | 4 | 4.35 |
| SP | Hammaker, A.Hammaker, Atlee | 27 | Pirates | L | 97 | 17 | 17 | 8 | 5 | 3.31 | .295 | 1.25 | 9.2 | 2.2 | 5.1 | 119.2 | 121 | 52 | 44 | 10 | 29 | 68 | 2 | 0 | 0 | 1 | 13 | 0 | 4 | 3.68 |
| SP | Reuschel, R.Reuschel, Rick | 36 | Cubs | R | 95 | 17 | 17 | 8 | 5 | 3.19 | .275 | 1.14 | 7.7 | 2.6 | 4.1 | 118.2 | 101 | 47 | 42 | 10 | 34 | 54 | 2 | 0 | 0 | 1 | 11 | 0 | 3 | 4.05 |
| SP | Pastore, F.Pastore, Frank | 28 | Reds | R | 94 | 16 | 16 | 7 | 5 | 3.94 | .275 | 1.12 | 8.0 | 2.1 | 5.1 | 118.2 | 105 | 52 | 52 | 10 | 28 | 67 | 6 | 0 | 0 | 0 | 9 | 2 | 0 | 3.73 |
| SP | McCatty, S.McCatty, Steve | 31 | Reds | R | 91 | 17 | 17 | 4 | 11 | 4.63 | .296 | 1.26 | 8.0 | 3.4 | 5.3 | 118.2 | 105 | 66 | 61 | 13 | 44 | 69 | 4 | 0 | 0 | 1 | 8 | 1 | 0 | 4.41 |
| SP | Fernandez, S.Fernandez, Sid | 23 | Mets | L | 89 | 17 | 17 | 9 | 5 | 4.03 | .305 | 1.31 | 7.4 | 4.3 | 5.1 | 116.0 | 96 | 53 | 52 | 7 | 56 | 66 | 1 | 0 | 0 | 0 | 9 | 1 | 3 | 4.12 |
| SP | Higuera, T.Higuera, Teddy # | 27 | Padres | L | 79 | 16 | 16 | 9 | 5 | 4.07 | .321 | 1.41 | 9.7 | 3.0 | 5.9 | 115.0 | 124 | 62 | 52 | 11 | 38 | 75 | 2 | 0 | 0 | 0 | 7 | 1 | 0 | 3.96 |
| SP | Boddicker, M.Boddicker, Mike | 28 | Cubs | R | 98 | 17 | 17 | 6 | 9 | 4.28 | .305 | 1.31 | 8.8 | 3.0 | 5.3 | 113.2 | 111 | 55 | 54 | 10 | 38 | 66 | 4 | 0 | 0 | 0 | 11 | 1 | 5 | 4.02 |
| SP | Fulgham, J.Fulgham, John | 29 | Cardinals | R | 92 | 17 | 17 | 8 | 6 | 3.28 | .301 | 1.28 | 8.4 | 3.2 | 5.1 | 112.1 | 104 | 41 | 41 | 5 | 40 | 64 | 2 | 0 | 0 | 1 | 8 | 1 | 0 | 3.54 |
| SP | Welch, B.Welch, Bob | 29 | Dodgers | R | 86 | 17 | 17 | 7 | 6 | 5.03 | .339 | 1.54 | 10.0 | 3.9 | 5.2 | 111.0 | 123 | 64 | 62 | 12 | 48 | 64 | 0 | 0 | 0 | 0 | 9 | 0 | 1 | 4.55 |
| SP | Knepper, B.Knepper, Bob | 31 | Astros | L | 92 | 17 | 17 | 8 | 5 | 4.49 | .293 | 1.22 | 9.2 | 1.9 | 5.1 | 110.1 | 112 | 56 | 55 | 11 | 23 | 62 | 3 | 0 | 0 | 0 | 10 | 2 | 0 | 3.85 |
| SP | Sutton, D.Sutton, Don # | 40 | Cubs | R | 81 | 17 | 17 | 6 | 7 | 4.35 | .328 | 1.47 | 10.0 | 3.3 | 5.0 | 107.2 | 119 | 57 | 52 | 8 | 39 | 59 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 3.96 |
| SP | Eckersley, D.Eckersley, Dennis | 31 | Mets | R | 81 | 17 | 17 | 5 | 9 | 5.93 | .333 | 1.49 | 10.3 | 3.1 | 5.6 | 107.2 | 123 | 74 | 71 | 13 | 37 | 66 | 1 | 0 | 0 | 0 | 8 | 1 | 0 | 4.41 |
| SP | DeLeon, J.DeLeon, Jose # | 25 | Pirates | R | 99 | 17 | 17 | 7 | 7 | 4.46 | .311 | 1.35 | 8.2 | 3.9 | 8.7 | 107.0 | 98 | 62 | 53 | 10 | 46 | 104 | 0 | 0 | 0 | 0 | 8 | 1 | 3 | 3.59 |
| SP | Young, M.Young, Matt | 27 | Dodgers | L | 83 | 16 | 16 | 5 | 10 | 3.98 | .317 | 1.39 | 9.3 | 3.3 | 6.1 | 106.1 | 109 | 48 | 47 | 9 | 39 | 72 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 3.85 |
| SP | Smith, B.Smith, Bryn # | 30 | Expos | R | 88 | 17 | 17 | 5 | 9 | 4.99 | .325 | 1.44 | 10.2 | 2.9 | 4.8 | 104.2 | 118 | 61 | 58 | 10 | 33 | 56 | 3 | 0 | 0 | 1 | 9 | 0 | 1 | 4.13 |
| SP | Carlton, S.Carlton, Steve | 41 | Phillies | L | 85 | 17 | 17 | 4 | 10 | 5.19 | .330 | 1.48 | 9.4 | 3.9 | 6.0 | 104.0 | 109 | 60 | 60 | 11 | 45 | 69 | 3 | 0 | 0 | 0 | 8 | 0 | 4 | 4.35 |
| SP | Palmer, J.Palmer, Jim | 40 | Cubs | R | 69 | 16 | 16 | 5 | 2 | 3.99 | .310 | 1.33 | 7.3 | 4.7 | 4.1 | 103.2 | 84 | 46 | 46 | 16 | 54 | 47 | 0 | 0 | 0 | 0 | 10 | 2 | 0 | 5.74 |
| SP | Hudson, C.Hudson, Charles | 26 | Phillies | R | 67 | 17 | 17 | 6 | 8 | 3.78 | .330 | 1.48 | 9.8 | 3.5 | 5.7 | 100.0 | 109 | 51 | 42 | 16 | 39 | 63 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 4.99 |
| SP | Bannister, F.Bannister, Floyd | 30 | Dodgers | L | 83 | 16 | 16 | 6 | 6 | 4.95 | .329 | 1.47 | 10.1 | 3.2 | 6.3 | 100.0 | 112 | 67 | 55 | 13 | 35 | 70 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 4.34 |
| RP | DeLeon, L.DeLeon, Luis | 27 | Padres | R | 96 | 43 | 0 | 7 | 2 | 2.54 | .249 | 1.00 | 6.6 | 2.4 | 5.0 | 99.1 | 73 | 28 | 28 | 4 | 26 | 55 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.20 |
| SP | Kepshire, K.Kepshire, Kurt | 26 | Cardinals | R | 70 | 16 | 16 | 5 | 6 | 5.35 | .324 | 1.43 | 10.1 | 2.8 | 5.5 | 99.1 | 111 | 62 | 59 | 11 | 31 | 60 | 1 | 0 | 0 | 0 | 7 | 1 | 4 | 4.20 |
| SP | Guidry, R.Guidry, Ron | 35 | Astros | L | 90 | 17 | 17 | 8 | 4 | 3.40 | .288 | 1.20 | 8.1 | 2.8 | 5.1 | 98.0 | 88 | 38 | 37 | 6 | 30 | 55 | 0 | 0 | 0 | 0 | 8 | 1 | 1 | 3.62 |
| SP | Richard, J.Richard, J.R. # | 35 | Astros | R | 95 | 17 | 17 | 4 | 7 | 5.25 | .333 | 1.49 | 9.7 | 3.8 | 8.0 | 97.2 | 105 | 62 | 57 | 3 | 41 | 86 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 2.90 |
| SP | Bystrom, M.Bystrom, Marty | 27 | Phillies | R | 91 | 17 | 17 | 4 | 6 | 4.50 | .344 | 1.57 | 9.8 | 4.4 | 5.1 | 96.0 | 104 | 54 | 48 | 8 | 47 | 54 | 0 | 0 | 0 | 0 | 9 | 0 | 1 | 4.43 |
| SP | Martinez, A.Martinez, Alfredo # | 28 | Phillies | R | 69 | 17 | 16 | 4 | 7 | 4.15 | .325 | 1.44 | 9.1 | 3.9 | 5.2 | 93.1 | 94 | 47 | 43 | 7 | 40 | 54 | 0 | 0 | 0 | 0 | 4 | 1 | 2 | 4.14 |
| SP | Robinson, D.Robinson, Don # | 28 | Pirates | R | 87 | 17 | 17 | 3 | 6 | 4.66 | .294 | 1.25 | 10.4 | 1.0 | 5.1 | 92.2 | 106 | 53 | 48 | 9 | 10 | 52 | 2 | 0 | 0 | 0 | 8 | 0 | 1 | 3.47 |
| SP | Tudor, J.Tudor, John | 31 | Mets | L | 75 | 15 | 15 | 5 | 7 | 4.62 | .308 | 1.34 | 9.0 | 3.1 | 5.7 | 89.2 | 89 | 48 | 46 | 17 | 31 | 56 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 5.27 |
| SP | Christenson, L.Christenson, Larry | 32 | Phillies | R | 89 | 17 | 17 | 3 | 9 | 5.34 | .333 | 1.49 | 9.6 | 3.8 | 5.1 | 89.1 | 95 | 56 | 53 | 12 | 38 | 50 | 0 | 0 | 0 | 0 | 6 | 1 | 1 | 4.94 |
| SP | Reuss, J.Reuss, Jerry | 36 | Cubs | L | 78 | 17 | 17 | 4 | 11 | 5.86 | .319 | 1.40 | 10.2 | 2.4 | 4.5 | 86.0 | 97 | 57 | 56 | 14 | 23 | 43 | 0 | 0 | 0 | 0 | 7 | 1 | 2 | 4.95 |
| SP | Cowley, J.Cowley, Joe | 27 | Astros | R | 84 | 16 | 16 | 5 | 5 | 4.85 | .339 | 1.54 | 10.2 | 3.7 | 4.4 | 85.1 | 96 | 47 | 46 | 10 | 35 | 42 | 0 | 0 | 0 | 0 | 5 | 0 | 3 | 4.78 |