| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobo Newsom | DET | 4.97 | 194009100_BOS_DET |
| Dick Errickson | ATL | 2.38 | 194009081_ATL_PHI |
| Lon Warneke | SLN | 2.35 | 194009082_PIT_SLN |
| Vito Tamulis | LAN | 1.91 | 194009090_LAN_SFN |
| Rip Sewell | PIT | 1.34 | 194009081_PIT_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Harris | BAL | -1.74 | 194009100_OAK_BAL |
| Sid Hudson | MIN | -1.08 | 194009081_OAK_MIN |
| Bob Klinger | PIT | -1.04 | 194009082_PIT_SLN |
| Porter Vaughan | OAK | -0.59 | 194009081_OAK_MIN |
| Si Johnson | PHI | -0.56 | 194009082_ATL_PHI |
Based on accumulated WAA for this season up to 1940-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.04 | Bob Feller | 276.3 | CLE |
| +003+ | 9.37 | Bucky Walters | 267 | CIN |
| +007+ | 8.63 | Claude Passeau | 243.3 | CHN |
| +009+ | 8.29 | Bobo Newsom | 231.7 | DET |
| +011+ | 6.28 | Dick Errickson | 221 | ATL |
| +018+ | 5.37 | Ken Chase | 232 | MIN |
| +019+ | 5.24 | Marius Russo | 171 | NYA |
| +020+ | 5.19 | Johnny Rigney | 244.7 | CHA |
| +024+ | 4.91 | Paul Derringer | 257.7 | CIN |
| +025+ | 4.88 | Vern Olsen | 147.3 | CHN |
| +027+ | 4.6 | Vito Tamulis | 144.7 | LAN |
| +031+ | 4.33 | Lon Warneke | 200.7 | SLN |
| +032+ | 4.19 | Manny Salvo | 138.7 | ATL |
| +033+ | 4.17 | Jim Turner | 161.3 | CIN |
| +035+ | 4.1 | Dutch Leonard | 244.7 | MIN |
| +036+ | 3.99 | Luke Hamlin | 163 | LAN |
| +037+ | 3.92 | Larry French | 214 | CHN |
| +038+ | 3.84 | Rip Sewell | 159 | PIT |
| +040+ | 3.71 | Hal Schumacher | 192.7 | SFN |
| +043+ | 3.58 | Junior Thompson | 192.7 | CIN |
| +044+ | 3.51 | Bill Lohrman | 166.7 | SFN |
| +046+ | 3.38 | Red Ruffing | 201.7 | NYA |
| +050+ | 3.33 | Thornton Lee | 203.7 | CHA |
| +051+ | 3.32 | Eddie Smith | 175.3 | CHA |
| +053+ | 3.17 | Whit Wyatt | 224.3 | LAN |
_