| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | BOS | 7.2 | 193806140_BOS_BAL |
| Carl Hubbell | SFN | 6.24 | 193806160_PIT_SFN |
| Danny MacFayden | ATL | 5.21 | 193806150_CHN_ATL |
| Bob Feller | CLE | 1.75 | 193806160_MIN_CLE |
| Monty Stratton | CHA | 1.21 | 193806160_NYA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmie DeShong | MIN | -2 | 193806140_MIN_CLE |
| Bud Thomas | OAK | -1.1 | 193806160_OAK_DET |
| Earl Whitehill | CLE | -1.01 | 193806150_MIN_CLE |
| Oral Hildebrand | BAL | -0.98 | 193806150_BOS_BAL |
| Hugh Mulcahy | PHI | -0.87 | 193806140_SLN_PHI |
Based on accumulated WAA for this season up to 1938-06-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 4.56 | Paul Derringer | 111 | CIN |
| +005+ | 4.41 | Bill Lee | 98.3 | CHN |
| +006+ | 4.23 | Johnny Vander Meer | 92.7 | CIN |
| +007+ | 4.23 | Lefty Grove | 105.7 | BOS |
| +008+ | 3.69 | Bob Feller | 92 | CLE |
| +011+ | 3.44 | Carl Hubbell | 88 | SFN |
| +012+ | 3.12 | Cliff Melton | 106 | SFN |
| +013+ | 3.1 | Red Ruffing | 84 | NYA |
| +015+ | 2.98 | Danny MacFayden | 87.3 | ATL |
| +020+ | 2.66 | Bill McGee | 82 | SLN |
| +022+ | 2.54 | Hal Schumacher | 87.3 | SFN |
| +023+ | 2.52 | Bob Klinger | 63.7 | PIT |
| +024+ | 2.51 | Tot Pressnell | 81.7 | LAN |
| +025+ | 2.49 | Lynn Nelson | 81 | OAK |
| +028+ | 2.32 | Bill Swift | 55 | PIT |
| +030+ | 2.1 | Jack Wilson | 72.3 | BOS |
| +031+ | 2.1 | Larry French | 98.3 | CHN |
| +032+ | 2.09 | Johnny Allen | 90.7 | CLE |
| +033+ | 2.05 | Monty Stratton | 47.3 | CHA |
| +036+ | 1.89 | Dizzy Dean | 25.7 | CHN |
| +037+ | 1.82 | Freddie Fitzsimmons | 72.7 | LAN |
| +038+ | 1.77 | Buck Ross | 44.7 | OAK |
| +043+ | 1.62 | George Caster | 95.3 | OAK |
| +044+ | 1.58 | Milt Shoffner | 75 | ATL |
| +049+ | 1.54 | John Whitehead | 61 | CHA |
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