| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Vander Meer | CIN | 4.01 | 193807200_ATL_CIN |
| Lou Fette | ATL | 2.91 | 193807180_ATL_CHN |
| Cy Blanton | PIT | 2.6 | 193807180_SFN_PIT |
| Larry French | CHN | 1.69 | 193807190_LAN_CHN |
| Hal Schumacher | SFN | 1.63 | 193807190_SFN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | MIN | -4.04 | 193807200_DET_MIN |
| Pete Sivess | PHI | -0.93 | 193807202_PHI_PIT |
| Vern Kennedy | DET | -0.69 | 193807190_DET_MIN |
| Clyde Shoun | SLN | -0.32 | 193807201_SFN_SLN |
| Tex Carleton | CHN | -0.26 | 193807180_ATL_CHN |
Based on accumulated WAA for this season up to 1938-07-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7 | Johnny Vander Meer | 153.3 | CIN |
| +003+ | 6.13 | Bill Lee | 153 | CHN |
| +011+ | 4.54 | Carl Hubbell | 125.7 | SFN |
| +012+ | 4.43 | Lefty Grove | 149.7 | BOS |
| +015+ | 4.08 | Paul Derringer | 162 | CIN |
| +018+ | 3.56 | Bill McGee | 117.3 | SLN |
| +020+ | 3.45 | Johnny Allen | 134 | CLE |
| +022+ | 3.39 | Tot Pressnell | 131.3 | LAN |
| +027+ | 3.2 | Lou Fette | 133.3 | ATL |
| +028+ | 3.17 | Ted Lyons | 101.7 | CHA |
| +029+ | 3.12 | Red Ruffing | 133 | NYA |
| +031+ | 3.09 | Danny MacFayden | 94.3 | ATL |
| +033+ | 3.02 | Cliff Melton | 154.7 | SFN |
| +035+ | 2.9 | Bob Klinger | 99.7 | PIT |
| +038+ | 2.64 | Dizzy Dean | 34.7 | CHN |
| +040+ | 2.6 | Clay Bryant | 128.3 | CHN |
| +041+ | 2.59 | Bob Feller | 148.3 | CLE |
| +043+ | 2.55 | Freddie Fitzsimmons | 112.3 | LAN |
| +044+ | 2.47 | Jack Wilson | 91.7 | BOS |
| +045+ | 2.41 | Peaches Davis | 107 | CIN |
| +046+ | 2.35 | Bill Swift | 94 | PIT |
| +048+ | 2.28 | Cy Blanton | 82.3 | PIT |
| +049+ | 2.25 | Russ Bauers | 138.7 | PIT |
| +050+ | 2.21 | Bob Weiland | 136 | SLN |
| +051+ | 2.17 | Monty Stratton | 87.7 | CHA |
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