| SP | Niekro, P.Niekro, Phil >> | 35 | 1973 | R | 73 | 30 | 30 | 13 | 12 | 3.91 | .326 | 1.45 | 8.5 | 4.5 | 5.4 | 179.2 | 170 | 86 | 78 | 14 | 90 | 108 | 0 | 0 | 0 | 0 | 15 | 1 | 3 | 4.34 |
| SP | Perry, G.Perry, Gaylord >> | 36 | 1973 | R | 72 | 30 | 30 | 6 | 13 | 4.49 | .317 | 1.38 | 9.0 | 3.4 | 4.6 | 210.1 | 210 | 109 | 105 | 18 | 80 | 107 | 7 | 0 | 0 | 0 | 14 | 3 | 11 | 4.28 |
| SP | Schueler, R.Schueler, Ron # >> | 26 | 1973 | R | 62 | 30 | 30 | 11 | 6 | 3.93 | .311 | 1.34 | 8.8 | 3.3 | 5.9 | 167.0 | 163 | 78 | 73 | 19 | 61 | 110 | 0 | 0 | 0 | 0 | 11 | 2 | 2 | 4.29 |
| SP | Gentry, G.Gentry, Gary >> | 28 | 1973 | R | 60 | 30 | 30 | 10 | 9 | 4.72 | .305 | 1.30 | 8.3 | 3.4 | 4.7 | 166.0 | 153 | 91 | 87 | 20 | 63 | 87 | 2 | 0 | 0 | 2 | 13 | 3 | 9 | 4.71 |
| RP | Hilgendorf, T.Hilgendorf, Tom >> | 32 | 1973 | L | 66 | 50 | 0 | 5 | 8 | 3.79 | .284 | 1.19 | 6.8 | 3.9 | 4.8 | 78.1 | 59 | 35 | 33 | 5 | 34 | 42 | 0 | 6 | 3 | 0 | 0 | 0 | 2 | 4.06 |
| RP | Timmermann, T.Timmermann, Tom # >> | 34 | 1973 | R | 45 | 30 | 0 | 3 | 3 | 5.72 | .379 | 1.81 | 11.3 | 5.1 | 6.7 | 39.1 | 49 | 27 | 25 | 4 | 22 | 29 | 0 | 5 | 0 | 0 | 0 | 1 | 1 | 4.62 |
| RP | Mingori, S.Mingori, Steve >> | 30 | 1973 | L | 30 | 23 | 0 | 0 | 1 | 6.63 | .349 | 1.55 | 9.5 | 4.8 | 6.5 | 36.2 | 38 | 27 | 27 | 2 | 19 | 26 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 4.03 |