| Starter | Tm | Tier | Game |
|---|---|---|---|
| Paul Derringer | CIN | 7.06 | 194007020_CIN_SLN |
| Red Ruffing | NYA | 3.47 | 194007010_NYA_MIN |
| Dick Errickson | ATL | 2.15 | 194007020_ATL_SFN |
| Dutch Leonard | MIN | 2.1 | 194007020_NYA_MIN |
| Luke Hamlin | LAN | 1.88 | 194006302_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -6.55 | 194007020_BAL_CLE |
| Willis Hudlin | MIN | -2.64 | 194006301_MIN_BOS |
| Ike Pearson | PHI | -2.23 | 194007020_LAN_PHI |
| George Caster | OAK | -1.9 | 194007022_OAK_BOS |
| Max Butcher | PIT | -1.67 | 194006302_SLN_PIT |
Based on accumulated WAA for this season up to 1940-07-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.16 | Bob Feller | 136.7 | CLE |
| +004+ | 4.63 | Bucky Walters | 136 | CIN |
| +005+ | 4.54 | Bobo Newsom | 124.7 | DET |
| +007+ | 3.99 | Al Smith | 84.7 | CLE |
| +008+ | 3.93 | Hugh Mulcahy | 128.7 | PHI |
| +009+ | 3.8 | Claude Passeau | 126.7 | CHN |
| +010+ | 3.79 | Al Milnar | 118.7 | CLE |
| +013+ | 3.64 | Paul Derringer | 141 | CIN |
| +019+ | 2.69 | Jake Mooty | 45.3 | CHN |
| +021+ | 2.63 | Dick Errickson | 89.3 | ATL |
| +023+ | 2.55 | Dutch Leonard | 137.7 | MIN |
| +025+ | 2.51 | Vito Tamulis | 59 | LAN |
| +024+ | 2.51 | Johnny Allen | 74 | CLE |
| +027+ | 2.43 | Hal Schumacher | 85 | SFN |
| +029+ | 2.32 | Lon Warneke | 85.3 | SLN |
| +030+ | 2.32 | Jim Turner | 78 | CIN |
| +032+ | 2.3 | Mace Brown | 86.3 | PIT |
| +035+ | 2.2 | Ken Raffensberger | 49 | CHN |
| +034+ | 2.2 | Johnny Gorsica | 61.7 | DET |
| +037+ | 2.18 | Marius Russo | 67 | NYA |
| +039+ | 2.15 | Red Ruffing | 113.7 | NYA |
| +040+ | 2.03 | Bill Lohrman | 72.3 | SFN |
| +043+ | 1.92 | Larry French | 113.7 | CHN |
| +044+ | 1.8 | Monte Pearson | 86.7 | NYA |
| +046+ | 1.74 | Vern Olsen | 61.7 | CHN |
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