| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Hubbell | SFN | 6.19 | 193805180_CHN_SFN |
| Bob Feller | CLE | 2.25 | 193805180_OAK_CLE |
| Jack Wilson | BOS | 1.41 | 193805190_BOS_CHA |
| Paul Derringer | CIN | 1.26 | 193805170_CIN_PHI |
| Tex Carleton | CHN | 1.21 | 193805170_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | MIN | -2.09 | 193805180_MIN_DET |
| Al Williams | OAK | -1.22 | 193805180_OAK_CLE |
| Earl Whitehill | CLE | -1.21 | 193805170_OAK_CLE |
| Hugh Mulcahy | PHI | -1.1 | 193805190_CIN_PHI |
| George Gill | DET | -0.33 | 193805190_OAK_DET |
Based on accumulated WAA for this season up to 1938-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.47 | Bob Feller | 59 | CLE |
| +003+ | 2.8 | Lefty Grove | 60 | BOS |
| +005+ | 2.59 | Tot Pressnell | 50.7 | LAN |
| +006+ | 2.46 | Paul Derringer | 56.3 | CIN |
| +008+ | 2.27 | Dutch Leonard | 49.7 | MIN |
| +009+ | 2.19 | Carl Hubbell | 44 | SFN |
| +010+ | 2.03 | Jack Wilson | 35.3 | BOS |
| +012+ | 1.94 | Johnny Allen | 47.7 | CLE |
| +013+ | 1.84 | Dizzy Dean | 25.7 | CHN |
| +015+ | 1.69 | Harry Gumbert | 49.7 | SFN |
| +017+ | 1.62 | Bucky Walters | 51 | PHI |
| +018+ | 1.56 | Milt Shoffner | 43.3 | ATL |
| +019+ | 1.55 | Cliff Melton | 59 | SFN |
| +022+ | 1.42 | Bob Klinger | 19.7 | PIT |
| +028+ | 1.32 | Van Mungo | 38 | LAN |
| +030+ | 1.31 | Red Ruffing | 41.3 | NYA |
| +031+ | 1.3 | Buck Ross | 34.7 | OAK |
| XXXXX | 1.21 | Vern Kennedy | 50.7 | DET |
| XXXXX | 1.18 | Ted Lyons | 25 | CHA |
| XXXXX | 1.12 | John Whitehead | 24.3 | CHA |
| XXXXX | 1.1 | Bill McGee | 32.3 | SLN |
| XXXXX | 1.09 | Boots Poffenberger | 27 | DET |
| XXXXX | 0.94 | Johnny Marcum | 37 | BOS |
| XXXXX | 0.88 | Joe Beggs | 24 | NYA |
| XXXXX | 0.88 | Willis Hudlin | 39 | CLE |
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