| SP | Stieb, D.Stieb, Dave † >> | 27 | 1984 | R | 96 | 30 | 30 | 12 | 7 | 2.75 | .276 | 1.13 | 7.1 | 3.1 | 5.1 | 219.2 | 173 | 87 | 67 | 11 | 76 | 123 | 6 | 0 | 0 | 3 | 20 | 2 | 5 | 3.60 |
| SP | Barker, L.Barker, Len # >> | 29 | 1984 | R | 72 | 27 | 27 | 8 | 9 | 3.43 | .300 | 1.28 | 8.5 | 3.0 | 6.0 | 157.1 | 148 | 71 | 60 | 10 | 53 | 104 | 0 | 0 | 0 | 0 | 15 | 1 | 1 | 3.54 |
| SP | Morris, J.Morris, Jack >> | 29 | 1984 | R | 62 | 29 | 29 | 12 | 9 | 4.38 | .327 | 1.45 | 9.5 | 3.6 | 4.2 | 170.2 | 180 | 86 | 83 | 19 | 68 | 80 | 0 | 0 | 0 | 0 | 15 | 1 | 8 | 4.73 |
| SP | Sutcliffe, R.Sutcliffe, Rick >> | 28 | 1984 | R | 49 | 27 | 27 | 17 | 4 | 3.27 | .295 | 1.25 | 7.9 | 3.3 | 5.8 | 178.2 | 157 | 72 | 65 | 9 | 66 | 115 | 3 | 0 | 0 | 3 | 17 | 1 | 5 | 3.49 |
| CL | Hernandez, W.Hernandez, Willie † >> | 30 | 1984 | L | 99 | 63 | 0 | 3 | 6 | 2.83 | .287 | 1.21 | 8.4 | 2.6 | 4.4 | 60.1 | 56 | 20 | 19 | 6 | 17 | 29 | 0 | 49 | 1 | 0 | 0 | 0 | 1 | 4.18 |
| RP | Lopez, A.Lopez, Aurelio >> | 36 | 1984 | R | 86 | 87 | 0 | 8 | 4 | 2.00 | .310 | 1.32 | 7.0 | 4.9 | 5.5 | 72.0 | 56 | 20 | 16 | 2 | 39 | 44 | 0 | 1 | 1 | 0 | 0 | 2 | 4 | 3.85 |
| RP | Righetti, D.Righetti, Dave >> | 26 | 1984 | L | 84 | 69 | 0 | 2 | 2 | 3.12 | .297 | 1.24 | 7.3 | 3.9 | 5.7 | 49.0 | 40 | 18 | 17 | 2 | 21 | 31 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 3.61 |
| RP | Beckwith, J.Beckwith, Joe >> | 29 | 1984 | R | 74 | 63 | 0 | 5 | 3 | 3.92 | .308 | 1.34 | 10.5 | 1.6 | 5.0 | 66.2 | 77 | 30 | 29 | 2 | 12 | 37 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2.82 |
| RP | Williams, F.Williams, Frank # >> | 26 | 1984 | R | 67 | 36 | 0 | 2 | 3 | 7.20 | .423 | 2.20 | 13.3 | 6.5 | 6.8 | 25.0 | 37 | 23 | 20 | 3 | 18 | 19 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 5.20 |
| RP | Corbett, D.Corbett, Doug >> | 32 | 1984 | R | 63 | 19 | 0 | 0 | 1 | 5.00 | .372 | 1.78 | 10.5 | 5.5 | 2.5 | 18.0 | 21 | 10 | 10 | 0 | 11 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 4.28 |
| RP | Garber, G.Garber, Gene >> | 37 | 1984 | R | 58 | 12 | 0 | 0 | 0 | 2.70 | .265 | 1.08 | 9.6 | 0.6 | 6.8 | 16.2 | 17 | 5 | 5 | 1 | 1 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2.50 |
| RP | Rucker, D.Rucker, Dave >> | 27 | 1984 | L | 54 | 55 | 0 | 1 | 1 | 2.86 | .293 | 1.24 | 8.5 | 2.9 | 6.1 | 34.2 | 32 | 12 | 11 | 5 | 11 | 23 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 4.53 |