| SP | Russo, M.Russo, Marius >> | 25 | 1939 | L | 85 | 26 | 26 | 11 | 8 | 3.68 | .266 | 1.07 | 6.8 | 2.8 | 5.5 | 161.1 | 122 | 68 | 66 | 9 | 50 | 99 | 3 | 0 | 0 | 3 | 14 | 3 | 7 | 3.48 |
| SP | Hildebrand, O.Hildebrand, Oral >> | 32 | 1939 | R | 81 | 25 | 25 | 9 | 7 | 3.77 | .276 | 1.15 | 7.2 | 3.1 | 5.1 | 155.1 | 124 | 72 | 65 | 14 | 54 | 88 | 1 | 0 | 0 | 1 | 14 | 0 | 2 | 4.08 |
| SP | Ruffing, R.Ruffing, Red >> | 34 | 1939 | R | 56 | 24 | 24 | 15 | 7 | 3.40 | .288 | 1.20 | 7.9 | 2.9 | 4.6 | 187.2 | 165 | 71 | 71 | 13 | 60 | 95 | 10 | 0 | 0 | 2 | 16 | 3 | 3 | 3.90 |
| SP | Donald, A.Donald, Atley >> | 29 | 1939 | R | 36 | 16 | 16 | 5 | 5 | 3.63 | .290 | 1.21 | 7.8 | 3.1 | 6.7 | 106.2 | 92 | 45 | 43 | 10 | 37 | 79 | 1 | 0 | 0 | 0 | 11 | 2 | 1 | 3.84 |
| CL | Murphy, J.Murphy, Johnny >> | 31 | 1939 | R | 37 | 46 | 0 | 5 | 6 | 4.25 | .318 | 1.36 | 8.2 | 4.1 | 5.6 | 53.0 | 48 | 26 | 25 | 7 | 24 | 33 | 0 | 29 | 3 | 0 | 0 | 2 | 0 | 4.94 |
| RP | Hadley, B.Hadley, Bump >> | 35 | 1939 | R | 41 | 49 | 0 | 6 | 1 | 3.24 | .304 | 1.22 | 6.5 | 4.6 | 4.9 | 83.1 | 60 | 32 | 30 | 7 | 42 | 45 | 0 | 2 | 2 | 0 | 0 | 7 | 3 | 4.78 |
| RP | Pearson, M.Pearson, Monte >> | 31 | 1939 | R | 21 | 25 | 0 | 7 | 1 | 2.74 | .270 | 1.11 | 6.5 | 3.5 | 5.3 | 46.0 | 33 | 14 | 14 | 4 | 18 | 27 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 4.13 |
| RP | Ferrell, W.Ferrell, Wes >> | 31 | 1939 | R | 31 | 8 | 0 | 0 | 0 | 4.38 | .302 | 1.30 | 4.5 | 7.5 | 4.5 | 12.1 | 6 | 6 | 6 | 0 | 10 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 4.50 |
| RP | Chandler, S.Chandler, Spud >> | 32 | 1939 | R | 3 | 8 | 0 | 0 | 1 | 4.09 | .313 | 1.36 | 9.0 | 3.3 | 7.4 | 11.0 | 11 | 6 | 5 | 1 | 4 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.64 |
| SP | Sundra, S.Sundra, Steve >> | 29 | 1939 | R | 30 | 12 | 0 | 1 | 0 | 2.55 | .300 | 1.26 | 5.8 | 5.6 | 6.3 | 53.0 | 34 | 16 | 15 | 4 | 33 | 37 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4.51 |