| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | BOS | 7.4 | 193805200_BOS_BAL |
| Carl Hubbell | SFN | 5.96 | 193805220_PIT_SFN |
| Johnny Allen | CLE | 5.24 | 193805200_MIN_CLE |
| Van Mungo | LAN | 3.6 | 193805200_PIT_LAN |
| Danny MacFayden | ATL | 3.01 | 193805210_SLN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Knott | BAL | -2 | 193805220_OAK_BAL |
| Wes Ferrell | MIN | -1.51 | 193805220_MIN_CHA |
| Bud Thomas | OAK | -1.36 | 193805200_OAK_DET |
| Pete Sivess | PHI | -0.79 | 193805220_SLN_PHI |
| Earl Whitehill | CLE | -0.76 | 193805210_MIN_CLE |
Based on accumulated WAA for this season up to 1938-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.7 | Bob Feller | 62 | CLE |
| +003+ | 3.32 | Lefty Grove | 69 | BOS |
| +004+ | 3.13 | Paul Derringer | 65.3 | CIN |
| +006+ | 2.7 | Tot Pressnell | 54 | LAN |
| +007+ | 2.64 | Carl Hubbell | 53 | SFN |
| +008+ | 2.35 | Milt Shoffner | 54.3 | ATL |
| +010+ | 2.13 | Johnny Allen | 56.7 | CLE |
| +013+ | 2.01 | Jack Wilson | 43.3 | BOS |
| +015+ | 1.83 | Dizzy Dean | 25.7 | CHN |
| +019+ | 1.69 | Harry Gumbert | 49.7 | SFN |
| +020+ | 1.66 | Spud Chandler | 34 | NYA |
| +021+ | 1.64 | Ted Lyons | 34 | CHA |
| +023+ | 1.49 | Bill McGee | 40.7 | SLN |
| +024+ | 1.49 | Cliff Melton | 67 | SFN |
| +025+ | 1.44 | Bob Klinger | 19.7 | PIT |
| +028+ | 1.37 | Boots Poffenberger | 36 | DET |
| +027+ | 1.37 | Dutch Leonard | 51.3 | MIN |
| +030+ | 1.33 | Red Ruffing | 41.3 | NYA |
| +031+ | 1.3 | Buck Ross | 34.7 | OAK |
| XXXXX | 1.24 | Van Mungo | 43.7 | LAN |
| XXXXX | 1.12 | John Whitehead | 24.3 | CHA |
| XXXXX | 0.99 | Thornton Lee | 51 | CHA |
| XXXXX | 0.89 | Joe Beggs | 24 | NYA |
| XXXXX | 0.88 | Vern Kennedy | 58 | DET |
| XXXXX | 0.88 | Larry French | 57.3 | CHN |
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