| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Hubbell | SFN | 7.18 | 193806040_SFN_CIN |
| Lefty Grove | BOS | 5.86 | 193806040_DET_BOS |
| Danny MacFayden | ATL | 5.28 | 193806051_ATL_SLN |
| Bob Feller | CLE | 2.98 | 193806040_CLE_MIN |
| Larry French | CHN | 1.49 | 193806040_PHI_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chief Hogsett | MIN | -2.76 | 193806040_CLE_MIN |
| Jack Knott | BAL | -1.28 | 193806060_BAL_NYA |
| Hugh Mulcahy | PHI | -1.14 | 193806050_PHI_CHN |
| Mel Harder | CLE | -0.93 | 193806050_CLE_MIN |
| Eddie Smith | OAK | -0.65 | 193806051_CHA_OAK |
Based on accumulated WAA for this season up to 1938-06-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 4.05 | Paul Derringer | 93 | CIN |
| +005+ | 3.71 | Red Ruffing | 68.3 | NYA |
| +006+ | 3.7 | Bob Feller | 74 | CLE |
| +007+ | 3.23 | Bill Lee | 82.3 | CHN |
| +008+ | 3.17 | Carl Hubbell | 65 | SFN |
| +009+ | 3.12 | Lefty Grove | 90.3 | BOS |
| +012+ | 2.69 | Tot Pressnell | 75.3 | LAN |
| +014+ | 2.55 | Johnny Allen | 83.7 | CLE |
| +015+ | 2.5 | Bill McGee | 64.3 | SLN |
| +017+ | 2.49 | Larry French | 83.3 | CHN |
| +019+ | 2.47 | Johnny Vander Meer | 74.7 | CIN |
| +020+ | 2.45 | Cliff Melton | 83 | SFN |
| +023+ | 2.11 | Vern Kennedy | 85 | DET |
| +028+ | 1.99 | Dutch Leonard | 72.7 | MIN |
| +030+ | 1.91 | Lynn Nelson | 72 | OAK |
| +031+ | 1.88 | Dizzy Dean | 25.7 | CHN |
| +032+ | 1.87 | Danny MacFayden | 70.3 | ATL |
| +034+ | 1.78 | Bob Klinger | 43.3 | PIT |
| +035+ | 1.71 | Boots Poffenberger | 63 | DET |
| +036+ | 1.71 | Hal Schumacher | 69.3 | SFN |
| +037+ | 1.69 | George Caster | 74 | OAK |
| +039+ | 1.68 | Milt Shoffner | 68.3 | ATL |
| +040+ | 1.66 | Jack Wilson | 63.7 | BOS |
| +044+ | 1.55 | Lou Fette | 67 | ATL |
| +047+ | 1.47 | Spud Chandler | 46 | NYA |
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