| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 5.38 | 194006301_CHN_CIN |
| Bob Feller | CLE | 4.64 | 194006290_CLE_CHA |
| Red Ruffing | NYA | 3.47 | 194007010_NYA_MIN |
| Claude Passeau | CHN | 2.34 | 194006290_CHN_CIN |
| Luke Hamlin | LAN | 1.88 | 194006302_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -5.68 | 194006290_MIN_BOS |
| Vern Kennedy | BAL | -5.15 | 194006292_DET_BAL |
| Nels Potter | OAK | -1.69 | 194007010_OAK_BOS |
| Max Butcher | PIT | -1.67 | 194006302_SLN_PIT |
| Lefty Smoll | PHI | -1.3 | 194006302_SFN_PHI |
Based on accumulated WAA for this season up to 1940-07-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.14 | Bob Feller | 136.7 | CLE |
| +003+ | 4.59 | Bucky Walters | 136 | CIN |
| +004+ | 4.52 | Bobo Newsom | 124.7 | DET |
| +006+ | 3.98 | Al Smith | 84.7 | CLE |
| +007+ | 3.92 | Hugh Mulcahy | 128.7 | PHI |
| +010+ | 3.79 | Claude Passeau | 126.7 | CHN |
| +011+ | 3.78 | Al Milnar | 118.7 | CLE |
| +013+ | 3.68 | Paul Derringer | 133 | CIN |
| +019+ | 2.68 | Jake Mooty | 45.3 | CHN |
| +022+ | 2.58 | Dutch Leonard | 129.7 | MIN |
| +023+ | 2.5 | Vito Tamulis | 59 | LAN |
| +024+ | 2.47 | Hal Schumacher | 79 | SFN |
| +026+ | 2.36 | Dick Errickson | 80.3 | ATL |
| +029+ | 2.31 | Johnny Allen | 72 | CLE |
| +028+ | 2.31 | Lon Warneke | 85.3 | SLN |
| +030+ | 2.29 | Jim Turner | 78 | CIN |
| +032+ | 2.27 | Mace Brown | 86.3 | PIT |
| +035+ | 2.19 | Johnny Gorsica | 61.7 | DET |
| +036+ | 2.19 | Ken Raffensberger | 49 | CHN |
| +037+ | 2.17 | Marius Russo | 67 | NYA |
| +038+ | 2.14 | Red Ruffing | 113.7 | NYA |
| +040+ | 2.02 | Bill Lohrman | 72.3 | SFN |
| +042+ | 1.91 | Larry French | 113.7 | CHN |
| +044+ | 1.79 | Monte Pearson | 86.7 | NYA |
| +045+ | 1.73 | Vern Olsen | 61.7 | CHN |
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