| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 6.02 | 194007150_PHI_CIN |
| Dick Errickson | ATL | 2.96 | 194007150_ATL_SLN |
| Red Ruffing | NYA | 1.9 | 194007140_CHA_NYA |
| Al Milnar | CLE | 1.28 | 194007150_CLE_MIN |
| Luke Hamlin | LAN | 1.1 | 194007141_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -7.04 | 194007141_BAL_BOS |
| Sid Hudson | MIN | -4.54 | 194007150_CLE_MIN |
| George Caster | OAK | -3.05 | 194007160_DET_OAK |
| Ike Pearson | PHI | -1.71 | 194007150_PHI_CIN |
| Max Butcher | PIT | -1.59 | 194007151_LAN_PIT |
Based on accumulated WAA for this season up to 1940-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.54 | Bob Feller | 163.7 | CLE |
| +003+ | 5.96 | Bobo Newsom | 142.7 | DET |
| +004+ | 5.81 | Bucky Walters | 163 | CIN |
| +005+ | 5.21 | Claude Passeau | 152.3 | CHN |
| +010+ | 3.97 | Paul Derringer | 159 | CIN |
| +011+ | 3.92 | Al Smith | 100.3 | CLE |
| +012+ | 3.7 | Vito Tamulis | 74.7 | LAN |
| +017+ | 3.27 | Al Milnar | 136.7 | CLE |
| +020+ | 3.21 | Vern Olsen | 87 | CHN |
| +021+ | 3.15 | Jake Mooty | 62 | CHN |
| +022+ | 3.06 | Dick Errickson | 113.3 | ATL |
| +023+ | 3.05 | Ted Lyons | 96 | CHA |
| +024+ | 3.01 | Jim Turner | 95 | CIN |
| +026+ | 2.97 | Johnny Gorsica | 76.7 | DET |
| +027+ | 2.93 | Larry French | 139.3 | CHN |
| +031+ | 2.81 | Marius Russo | 93.7 | NYA |
| +032+ | 2.7 | Bill Lohrman | 91.3 | SFN |
| +033+ | 2.61 | Dutch Leonard | 153.7 | MIN |
| +034+ | 2.61 | Manny Salvo | 48.3 | ATL |
| +037+ | 2.47 | Ken Raffensberger | 63.7 | CHN |
| +038+ | 2.43 | Junior Thompson | 131.3 | CIN |
| +039+ | 2.4 | Lon Warneke | 107.3 | SLN |
| +040+ | 2.35 | Mace Brown | 100.7 | PIT |
| +041+ | 2.33 | Hugh Mulcahy | 145 | PHI |
| +044+ | 2.24 | Red Ruffing | 126.7 | NYA |
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