| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 4.58 | 194006180_CIN_PHI |
| Bob Feller | CLE | 2.98 | 194006200_MIN_CLE |
| Luke Hamlin | LAN | 2.4 | 194006180_SLN_LAN |
| Dutch Leonard | MIN | 1.96 | 194006180_MIN_CLE |
| Dick Errickson | ATL | 1.89 | 194006190_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nels Potter | OAK | -1.78 | 194006191_OAK_DET |
| Bob Harris | BAL | -1.29 | 194006190_BOS_BAL |
| Max Butcher | PIT | -1.24 | 194006200_PIT_ATL |
| Ken Chase | MIN | -0.31 | 194006190_MIN_CLE |
| Fritz Ostermueller | BOS | -0.23 | 194006180_BOS_BAL |
Based on accumulated WAA for this season up to 1940-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.22 | Bucky Walters | 120.3 | CIN |
| +003+ | 4.16 | Hugh Mulcahy | 105.7 | PHI |
| +004+ | 3.87 | Bob Feller | 118.7 | CLE |
| +005+ | 3.39 | Al Milnar | 96.7 | CLE |
| +007+ | 3.24 | Al Smith | 67.3 | CLE |
| +008+ | 3.19 | Paul Derringer | 116 | CIN |
| +012+ | 2.87 | Claude Passeau | 104.7 | CHN |
| +013+ | 2.65 | Bobo Newsom | 97.7 | DET |
| +015+ | 2.46 | Johnny Gorsica | 44.3 | DET |
| +021+ | 2.13 | Johnny Allen | 71 | CLE |
| +022+ | 2.1 | Monte Pearson | 73.7 | NYA |
| +024+ | 2.06 | Dutch Leonard | 110.7 | MIN |
| +025+ | 2.01 | Larry French | 100 | CHN |
| +028+ | 1.95 | Vern Olsen | 57.7 | CHN |
| +029+ | 1.91 | Kirby Higbe | 106.3 | PHI |
| +031+ | 1.89 | Paul Dean | 28 | SFN |
| +030+ | 1.89 | Dick Errickson | 72.3 | ATL |
| +033+ | 1.85 | Marius Russo | 56 | NYA |
| +034+ | 1.84 | Lon Warneke | 70.3 | SLN |
| +035+ | 1.79 | Red Ruffing | 90 | NYA |
| +036+ | 1.76 | Jake Mooty | 25 | CHN |
| +038+ | 1.71 | Carl Hubbell | 78 | SFN |
| +040+ | 1.66 | Luke Hamlin | 71.3 | LAN |
| +045+ | 1.56 | Hal Schumacher | 70 | SFN |
| +046+ | 1.54 | Vito Tamulis | 47.7 | LAN |
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