| SP | Koosman, J.Koosman, Jerry >> | 31 | 1973 | L | 81 | 22 | 22 | 6 | 12 | 4.62 | .291 | 1.23 | 8.3 | 2.8 | 4.6 | 156.0 | 143 | 86 | 80 | 18 | 49 | 80 | 6 | 0 | 0 | 2 | 11 | 0 | 1 | 4.42 |
| SP | Matlack, J.Matlack, Jon >> | 23 | 1973 | L | 72 | 21 | 21 | 10 | 7 | 3.29 | .311 | 1.34 | 8.4 | 3.7 | 5.8 | 147.2 | 137 | 68 | 54 | 11 | 61 | 95 | 1 | 0 | 0 | 0 | 16 | 2 | 6 | 3.97 |
| SP | Sadecki, R.Sadecki, Ray >> | 33 | 1973 | L | 58 | 18 | 18 | 0 | 4 | 3.46 | .325 | 1.45 | 8.4 | 4.7 | 5.5 | 75.1 | 70 | 32 | 29 | 5 | 39 | 46 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4.20 |
| SP | Stone, G.Stone, George >> | 27 | 1973 | L | 41 | 12 | 12 | 1 | 4 | 4.39 | .356 | 1.66 | 11.6 | 3.5 | 5.6 | 67.2 | 86 | 39 | 33 | 5 | 26 | 42 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3.88 |
| CL | Parker, H.Parker, Harry >> | 26 | 1973 | R | 88 | 37 | 0 | 5 | 5 | 2.64 | .292 | 1.22 | 7.5 | 3.6 | 5.7 | 47.2 | 39 | 14 | 14 | 5 | 19 | 30 | 0 | 24 | 2 | 0 | 0 | 1 | 1 | 4.38 |
| RP | Hennigan, P.Hennigan, Phil >> | 27 | 1973 | R | 33 | 19 | 0 | 2 | 1 | 4.05 | .266 | 1.09 | 5.9 | 4.2 | 5.9 | 26.2 | 17 | 13 | 12 | 1 | 12 | 17 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 3.58 |
| RP | Strohmayer, J.Strohmayer, John >> | 27 | 1973 | R | 30 | 15 | 0 | 0 | 2 | 3.22 | .316 | 1.39 | 9.4 | 3.3 | 3.3 | 22.1 | 23 | 8 | 8 | 1 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3.95 |
| SP | McAndrew, J.McAndrew, Jim >> | 29 | 1973 | R | 4 | 3 | 0 | 0 | 1 | 20.77 | .536 | 3.46 | 24.8 | 9.0 | 6.8 | 4.1 | 11 | 12 | 10 | 2 | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 11.00 |