| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Hubbell | SFN | 6.35 | 193805282_PHI_SFN |
| Bill Lee | CHN | 2.01 | 193805270_CHN_PIT |
| Monte Pearson | NYA | 1.11 | 193805290_NYA_OAK |
| Lou Fette | ATL | 1.05 | 193805290_LAN_ATL |
| Russ Bauers | PIT | 0.94 | 193805280_CHN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | MIN | -1.78 | 193805290_BOS_MIN |
| Hugh Mulcahy | PHI | -1.11 | 193805281_PHI_SFN |
| Bud Thomas | OAK | -1.05 | 193805290_NYA_OAK |
| Earl Whitehill | CLE | -0.75 | 193805290_CLE_BAL |
| Bobo Newsom | BAL | -0.45 | 193805290_CLE_BAL |
Based on accumulated WAA for this season up to 1938-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.66 | Bob Feller | 62 | CLE |
| +004+ | 3.62 | Paul Derringer | 75.7 | CIN |
| +005+ | 3.47 | Carl Hubbell | 62 | SFN |
| +006+ | 3.36 | Lefty Grove | 78 | BOS |
| +008+ | 2.48 | Jack Wilson | 52.3 | BOS |
| +010+ | 2.24 | Tot Pressnell | 65.7 | LAN |
| +011+ | 2.03 | Boots Poffenberger | 49 | DET |
| +012+ | 2.02 | Red Ruffing | 50.3 | NYA |
| +013+ | 2 | Bill McGee | 50.3 | SLN |
| +016+ | 1.92 | Johnny Allen | 65.7 | CLE |
| +018+ | 1.82 | Dizzy Dean | 25.7 | CHN |
| +022+ | 1.65 | Ted Lyons | 34 | CHA |
| +023+ | 1.64 | Larry French | 74.3 | CHN |
| +026+ | 1.49 | Lou Fette | 60 | ATL |
| +027+ | 1.49 | Milt Shoffner | 57.7 | ATL |
| +029+ | 1.48 | Lynn Nelson | 54 | OAK |
| +033+ | 1.39 | Cliff Melton | 75.3 | SFN |
| +036+ | 1.33 | Vern Kennedy | 67 | DET |
| +037+ | 1.32 | Bill Lee | 64.3 | CHN |
| +038+ | 1.28 | Buck Ross | 34.7 | OAK |
| XXXXX | 1.2 | Harry Gumbert | 64.7 | SFN |
| XXXXX | 1.2 | Dutch Leonard | 63.7 | MIN |
| XXXXX | 1.18 | John Whitehead | 31.3 | CHA |
| XXXXX | 1.13 | Spud Chandler | 37 | NYA |
| XXXXX | 1.04 | Clay Bryant | 57 | CHN |
_