| Starter | Tm | Tier | Game |
|---|---|---|---|
| Danny MacFayden | ATL | 5.02 | 193808251_ATL_CIN |
| Bill Lee | CHN | 4.24 | 193808251_LAN_CHN |
| Paul Derringer | CIN | 4.2 | 193808260_ATL_CIN |
| Red Ruffing | NYA | 3.36 | 193808252_CLE_NYA |
| Russ Bauers | PIT | 1.75 | 193808240_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | NYA | -5.62 | 193808261_CLE_NYA |
| Frank Gabler | CHA | -2.43 | 193808242_CHA_NYA |
| Al Williams | OAK | -2.42 | 193808251_BAL_OAK |
| Bobo Newsom | BAL | -2.18 | 193808251_BAL_OAK |
| Al Smith | PHI | -2.1 | 193808260_PHI_PIT |
Based on accumulated WAA for this season up to 1938-08-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.95 | Bill Lee | 225.3 | CHN |
| +007+ | 6.6 | Paul Derringer | 242 | CIN |
| +012+ | 6.32 | Lou Fette | 192.7 | ATL |
| +016+ | 6 | Bill McGee | 167.3 | SLN |
| +017+ | 5.92 | Danny MacFayden | 159 | ATL |
| +018+ | 5.9 | Red Ruffing | 197 | NYA |
| +020+ | 5.48 | Johnny Vander Meer | 180 | CIN |
| +023+ | 5.03 | Carl Hubbell | 179 | SFN |
| +025+ | 4.87 | Freddie Fitzsimmons | 154.7 | LAN |
| +028+ | 4.64 | Dutch Leonard | 179.3 | MIN |
| +029+ | 4.46 | Russ Bauers | 189.3 | PIT |
| +030+ | 4.42 | Lefty Grove | 157.7 | BOS |
| +033+ | 4.19 | Thornton Lee | 186.3 | CHA |
| +041+ | 3.7 | Jim Tobin | 188 | PIT |
| +044+ | 3.65 | Lefty Gomez | 187 | NYA |
| +045+ | 3.58 | Ted Lyons | 161.7 | CHA |
| +046+ | 3.57 | Charlie Root | 107.3 | CHN |
| +049+ | 3.25 | Clay Bryant | 196.7 | CHN |
| +050+ | 3.07 | Jack Wilson | 154.7 | BOS |
| +051+ | 3.06 | Bob Weiland | 188.7 | SLN |
| +052+ | 3.02 | Dizzy Dean | 59.7 | CHN |
| +053+ | 3 | Lon Warneke | 164.7 | SLN |
| +054+ | 2.89 | Larry French | 184.7 | CHN |
| +055+ | 2.88 | Bill Swift | 121.7 | PIT |
| +057+ | 2.71 | Ira Hutchinson | 114 | ATL |
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