| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 6.1 | 193909210_LAN_SLN |
| New York Giants | SFN | 1.44 | 193909210_SFN_CHN |
| Boston Bees | ATL | 0.73 | 193909211_ATL_PIT |
| Pittsburgh Pirates | PIT | 0.51 | 193909211_ATL_PIT |
| Detroit Tigers | DET | 0.39 | 193909210_DET_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -3.63 | 193909200_BAL_BOS |
| Washington Senators | MIN | -1.18 | 193909200_CLE_MIN |
| Philadelphia Athletics | OAK | -0.74 | 193909210_DET_OAK |
| Cleveland Indians | CLE | -0.58 | 193909210_CLE_MIN |
| Boston Red Sox | BOS | -0.58 | 193909190_BAL_BOS |
Based on accumulated WAA for this season up to 1939-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +045+ | 3.75 | Mort Cooper | 186.3 | SLN |
| +051+ | 3.44 | Cliff Melton | 198.3 | SFN |
| +052+ | 3.33 | Curt Davis | 240 | SLN |
| +060+ | 2.98 | Johnny Rigney | 205 | CHA |
| +066+ | 2.53 | Tommy Bridges | 189 | DET |
| +078+ | 2.09 | Archie McKain | 116.7 | DET |
| +081+ | 2.03 | Dizzy Trout | 156.3 | DET |
| +082+ | 1.98 | Bob Weiland | 144.7 | SLN |
| +090+ | 1.75 | Johnny Lanning | 116.3 | ATL |
| +092+ | 1.7 | Clint Brown | 112 | CHA |
| +096+ | 1.58 | Hank Johnson | 31.3 | CIN |
| +105+ | 1.42 | Fred Frankhouse | 38 | ATL |
| XXXXX | 1.29 | Charlie Root | 158.7 | CHN |
| XXXXX | 1.14 | Rip Sewell | 168 | PIT |
| XXXXX | 0.99 | Clyde Shoun | 102.3 | SLN |
| XXXXX | 0.93 | Joe Heving | 100.7 | BOS |
| XXXXX | 0.59 | Vern Olsen | 6 | CHN |
| XXXXX | 0.59 | Red Lynn | 58 | TOT |
| XXXXX | 0.54 | Jack Russell | 63.3 | CHN |
| XXXXX | 0.48 | Floyd Giebell | 13.3 | DET |
| XXXXX | 0.33 | Spud Chandler | 16 | NYA |
| XXXXX | 0.32 | Fritz Ostermueller | 149.7 | BOS |
| XXXXX | 0.3 | Lou Thuman | 3 | MIN |
| XXXXX | 0.2 | Loy Hanning | 2 | BAL |
| XXXXX | 0.2 | Bucky Jacobs | 2 | MIN |
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