| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Lee | CHN | 9.48 | 193809290_PIT_CHN |
| Paul Derringer | CIN | 7.48 | 193809301_PIT_CIN |
| Lou Fette | ATL | 4.13 | 193809292_ATL_LAN |
| Thornton Lee | CHA | 4.1 | 193809280_CHA_CLE |
| Russ Bauers | PIT | 3.96 | 193809290_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lynn Nelson | OAK | -4.17 | 193809280_BOS_OAK |
| Bobo Newsom | BAL | -3.63 | 193809290_BAL_DET |
| Tex Carleton | CHN | -2.26 | 193809300_CHN_SLN |
| Earl Whitehill | CLE | -1.37 | 193809280_CHA_CLE |
| Pete Sivess | PHI | -1.12 | 193809280_PHI_ATL |
Based on accumulated WAA for this season up to 1938-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 10.29 | Bill Lee | 292 | CHN |
| +006+ | 8.82 | Paul Derringer | 307 | CIN |
| +017+ | 6.68 | Clay Bryant | 270 | CHN |
| +019+ | 6.27 | Danny MacFayden | 218.7 | ATL |
| +021+ | 5.99 | Russ Bauers | 243 | PIT |
| +022+ | 5.87 | Freddie Fitzsimmons | 202.7 | LAN |
| +023+ | 5.8 | Lou Fette | 239.7 | ATL |
| +025+ | 5.62 | Johnny Vander Meer | 216.3 | CIN |
| +031+ | 5.08 | Ira Hutchinson | 150.7 | ATL |
| +032+ | 5.03 | Red Ruffing | 247.3 | NYA |
| +044+ | 4.44 | Bob Klinger | 159.3 | PIT |
| +046+ | 4.34 | Lefty Gomez | 236 | NYA |
| +048+ | 4.27 | Jim Turner | 258.3 | ATL |
| +049+ | 4.16 | Dutch Leonard | 223.3 | MIN |
| +050+ | 4.16 | Thornton Lee | 236.3 | CHA |
| +051+ | 4.1 | Dizzy Dean | 74.7 | CHN |
| +052+ | 4.01 | Jim Tobin | 233.3 | PIT |
| +055+ | 3.21 | Bill Lohrman | 143 | SFN |
| +056+ | 3.2 | Hal Schumacher | 185.3 | SFN |
| +057+ | 3.17 | Luke Hamlin | 236.7 | LAN |
| +063+ | 2.75 | Bob Weiland | 219.3 | SLN |
| +065+ | 2.67 | Joe Krakauskas | 112.3 | MIN |
| +067+ | 2.64 | Milt Shoffner | 134.3 | ATL |
| +069+ | 2.54 | Ted Lyons | 194.7 | CHA |
| +070+ | 2.49 | Mel Harder | 240 | CLE |
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