| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | BOS | 6.45 | 193806270_BOS_CLE |
| Bill Lee | CHN | 5.25 | 193806290_SLN_CHN |
| Johnny Allen | CLE | 5.21 | 193806280_DET_CLE |
| Lou Fette | ATL | 2.14 | 193806290_ATL_LAN |
| Cliff Melton | SFN | 2.1 | 193806292_SFN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Walkup | BAL | -3.61 | 193806280_CHA_BAL |
| Elden Auker | DET | -1.02 | 193806290_DET_CLE |
| Mel Harder | CLE | -0.72 | 193806290_DET_CLE |
| Johnny Marcum | BOS | -0.28 | 193806290_MIN_BOS |
| Hugh Mulcahy | PHI | -0.26 | 193806292_SFN_PHI |
Based on accumulated WAA for this season up to 1938-06-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 5.16 | Johnny Vander Meer | 118.3 | CIN |
| +007+ | 4.15 | Bob Feller | 110 | CLE |
| +008+ | 4.11 | Bill Lee | 120 | CHN |
| +011+ | 3.92 | Lefty Grove | 127.7 | BOS |
| +012+ | 3.87 | Cliff Melton | 127.3 | SFN |
| +013+ | 3.84 | Paul Derringer | 132.7 | CIN |
| +014+ | 3.64 | Carl Hubbell | 104 | SFN |
| +015+ | 3.62 | Bill McGee | 93 | SLN |
| +016+ | 3.49 | Johnny Allen | 116 | CLE |
| +021+ | 3.06 | Danny MacFayden | 87.3 | ATL |
| +023+ | 3.03 | Jack Wilson | 82.3 | BOS |
| +025+ | 2.86 | Freddie Fitzsimmons | 89.7 | LAN |
| +026+ | 2.86 | Tot Pressnell | 104.3 | LAN |
| +028+ | 2.67 | Clay Bryant | 95.3 | CHN |
| +030+ | 2.63 | Bob Klinger | 65.7 | PIT |
| +031+ | 2.47 | Bill Swift | 72.7 | PIT |
| +032+ | 2.34 | Monty Stratton | 66.7 | CHA |
| +035+ | 2.21 | Ted Lyons | 75.7 | CHA |
| +036+ | 2.2 | Red Ruffing | 99.3 | NYA |
| +041+ | 2.13 | Larry French | 108.7 | CHN |
| +042+ | 2.12 | Lynn Nelson | 104.3 | OAK |
| +045+ | 1.96 | Dizzy Dean | 25.7 | CHN |
| +048+ | 1.81 | Hal Schumacher | 106.7 | SFN |
| +051+ | 1.8 | Peaches Davis | 80 | CIN |
| +049+ | 1.8 | Dutch Leonard | 106.3 | MIN |
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