| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Hubbell | SFN | 15.7 | 193309271_PHI_SFN |
| Ben Cantwell | ATL | 3.17 | 193309260_ATL_SFN |
| Lefty Grove | OAK | 1.94 | 193309271_NYA_OAK |
| Hal Smith | PIT | 0.71 | 193309250_PIT_SLN |
| Lefty Gomez | NYA | 0.5 | 193309271_NYA_OAK |
Based on accumulated WAA for this season up to 1933-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 14.52 | Carl Hubbell | 308.7 | SFN |
| +004+ | 11.8 | Lon Warneke | 278.3 | CHN |
| +005+ | 9.18 | Hal Schumacher | 258.7 | SFN |
| +006+ | 8.1 | Larry French | 288 | PIT |
| +007+ | 7.59 | Ed Brandt | 271.3 | ATL |
| +012+ | 7.13 | Charlie Root | 242.7 | CHN |
| +016+ | 6.43 | Ben Cantwell | 244 | ATL |
| +017+ | 6.31 | Guy Bush | 250 | CHN |
| +020+ | 5.81 | Van Mungo | 239 | LAN |
| +027+ | 5.25 | Huck Betts | 233 | ATL |
| +030+ | 5.06 | Mel Harder | 253 | CLE |
| +032+ | 4.93 | Dizzy Dean | 287.3 | SLN |
| +033+ | 4.68 | Monte Pearson | 135.3 | CLE |
| +038+ | 4.09 | Lefty Grove | 275.3 | OAK |
| +039+ | 4 | Hi Bell | 105.3 | SFN |
| +041+ | 3.67 | Tex Carleton | 275.3 | SLN |
| +043+ | 3.62 | Tommy Bridges | 233 | DET |
| +046+ | 3.56 | Jesse Haines | 114.3 | SLN |
| +050+ | 3.3 | Hal Smith | 145 | PIT |
| +051+ | 3.28 | Bob Smith | 128.7 | TOT |
| +052+ | 3.24 | Lefty Gomez | 234.7 | NYA |
| +056+ | 3.08 | Paul Derringer | 247.7 | TOT |
| +057+ | 3.01 | Bill Swift | 212.3 | PIT |
| +059+ | 2.99 | Red Lucas | 216 | CIN |
| +063+ | 2.94 | Earl Whitehill | 263 | MIN |
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