| SP | Blyleven, B.Blyleven, Bert † >> | 33 | 1984 | R | 95 | 26 | 26 | 12 | 7 | 2.63 | .268 | 1.09 | 7.7 | 2.2 | 4.9 | 188.1 | 161 | 58 | 55 | 18 | 45 | 102 | 3 | 0 | 0 | 1 | 19 | 1 | 2 | 3.89 |
| SP | Valenzuela, F.Valenzuela, Fernando # >> | 24 | 1984 | L | 85 | 25 | 25 | 8 | 10 | 4.09 | .304 | 1.30 | 8.4 | 3.4 | 6.1 | 182.2 | 170 | 86 | 83 | 13 | 68 | 123 | 5 | 0 | 0 | 1 | 12 | 1 | 2 | 3.71 |
| SP | Carlton, S.Carlton, Steve >> | 40 | 1984 | L | 65 | 25 | 25 | 14 | 7 | 3.61 | .311 | 1.34 | 8.9 | 3.2 | 5.3 | 164.1 | 163 | 75 | 66 | 15 | 58 | 97 | 0 | 0 | 0 | 0 | 17 | 2 | 3 | 4.10 |
| CL | Orosco, J.Orosco, Jesse † >> | 27 | 1984 | L | 100 | 45 | 0 | 4 | 3 | 2.10 | .271 | 1.11 | 6.7 | 3.4 | 5.7 | 55.2 | 41 | 14 | 13 | 1 | 21 | 35 | 0 | 30 | 4 | 0 | 0 | 0 | 0 | 3.11 |
| SU | Schatzeder, D.Schatzeder, Dan >> | 30 | 1984 | L | 89 | 48 | 0 | 3 | 2 | 3.95 | .247 | 0.98 | 6.9 | 1.9 | 5.8 | 57.0 | 44 | 26 | 25 | 7 | 12 | 37 | 0 | 5 | 7 | 0 | 0 | 0 | 1 | 3.93 |
| RP | Sambito, J.Sambito, Joe >> | 32 | 1984 | L | 77 | 47 | 0 | 4 | 2 | 2.55 | .274 | 1.13 | 6.6 | 3.6 | 6.9 | 42.1 | 31 | 12 | 12 | 4 | 17 | 32 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 3.93 |
| RP | Howell, K.Howell, Ken # >> | 24 | 1984 | R | 70 | 46 | 0 | 3 | 2 | 4.41 | .320 | 1.41 | 10.8 | 1.9 | 7.9 | 51.0 | 61 | 28 | 25 | 7 | 11 | 45 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 3.67 |
| RP | Schmidt, D.Schmidt, Dave >> | 27 | 1984 | R | 53 | 33 | 0 | 5 | 2 | 5.58 | .313 | 1.37 | 10.5 | 2.1 | 5.1 | 30.2 | 35 | 19 | 19 | 3 | 7 | 17 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 3.87 |
| RP | Niedenfuer, T.Niedenfuer, Tom >> | 25 | 1984 | R | 68 | 29 | 0 | 1 | 2 | 4.74 | .302 | 1.30 | 7.1 | 4.9 | 8.6 | 24.2 | 19 | 13 | 13 | 7 | 13 | 23 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6.50 |
| SP | Gullickson, B.Gullickson, Bill >> | 25 | 1984 | R | 57 | 15 | 6 | 4 | 3 | 6.06 | .333 | 1.49 | 11.5 | 1.9 | 5.5 | 71.1 | 91 | 48 | 48 | 12 | 15 | 43 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 4.66 |