| 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 |
| Bill McGee | SLN | 2.87 | 193808270_SFN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | NYA | -5.62 | 193808261_CLE_NYA |
| Frank Gabler | CHA | -4.1 | 193808271_CHA_BOS |
| Russ Van Atta | BAL | -2.66 | 193808272_BAL_OAK |
| Al Williams | OAK | -2.42 | 193808251_BAL_OAK |
| Al Smith | PHI | -2.1 | 193808260_PHI_PIT |
Based on accumulated WAA for this season up to 1938-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.01 | Bill Lee | 225.3 | CHN |
| +008+ | 6.66 | Paul Derringer | 242 | CIN |
| +009+ | 6.63 | Lou Fette | 201.7 | ATL |
| +012+ | 6.3 | Bill McGee | 176.3 | SLN |
| +018+ | 5.96 | Danny MacFayden | 159 | ATL |
| +019+ | 5.95 | Red Ruffing | 197 | NYA |
| +021+ | 5.53 | Johnny Vander Meer | 180 | CIN |
| +023+ | 5.09 | Carl Hubbell | 179 | SFN |
| +025+ | 4.91 | Freddie Fitzsimmons | 154.7 | LAN |
| +027+ | 4.87 | Thornton Lee | 194.3 | CHA |
| +029+ | 4.51 | Russ Bauers | 189.3 | PIT |
| +031+ | 4.46 | Dutch Leonard | 181.3 | MIN |
| +041+ | 3.75 | Jim Tobin | 188 | PIT |
| +043+ | 3.7 | Lefty Gomez | 187 | NYA |
| +044+ | 3.67 | Charlie Root | 114.3 | CHN |
| +045+ | 3.65 | Ted Lyons | 161.7 | CHA |
| +049+ | 3.3 | Clay Bryant | 196.7 | CHN |
| +050+ | 3.13 | Dizzy Dean | 60.7 | CHN |
| +051+ | 3.11 | Bob Weiland | 188.7 | SLN |
| +052+ | 3.1 | Jack Wilson | 154.7 | BOS |
| +053+ | 3.05 | Lon Warneke | 164.7 | SLN |
| +054+ | 2.94 | Larry French | 184.7 | CHN |
| +055+ | 2.91 | Bill Swift | 121.7 | PIT |
| +056+ | 2.9 | Bill Lohrman | 113 | SFN |
| +058+ | 2.74 | Ira Hutchinson | 114 | ATL |
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