| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | 3.92 | 193809231_CHN_PHI |
| St. Louis Cardinals | SLN | 2 | 193809221_SLN_ATL |
| New York Giants | SFN | 1.82 | 193809221_CIN_SFN |
| Boston Bees | ATL | 0.98 | 193809221_SLN_ATL |
| Pittsburgh Pirates | PIT | 0.73 | 193809221_PIT_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | -0.96 | 193809211_OAK_DET |
| Detroit Tigers | DET | -0.77 | 193809211_OAK_DET |
| St. Louis Browns | BAL | -0.74 | 193809210_BOS_BAL |
| Brooklyn Dodgers | LAN | -0.44 | 193809221_PIT_LAN |
| Cleveland Indians | CLE | -0.1 | 193809231_CLE_DET |
Based on accumulated WAA for this season up to 1938-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +028+ | 5.31 | Bill McGee | 205 | SLN |
| +036+ | 4.7 | Jumbo Brown | 85.7 | SFN |
| +037+ | 4.65 | Lefty Grove | 161.7 | BOS |
| +043+ | 4.35 | Charlie Root | 147 | CHN |
| +045+ | 4.25 | Ira Hutchinson | 139.3 | ATL |
| +052+ | 3.54 | Dizzy Dean | 66 | CHN |
| +060+ | 2.8 | Jim Weaver | 127 | TOT |
| +061+ | 2.78 | Bill Swift | 142 | PIT |
| +074+ | 2.24 | Larry French | 194 | CHN |
| +084+ | 1.83 | Jack Russell | 100 | CHN |
| +086+ | 1.74 | Curt Davis | 162 | SLN |
| +095+ | 1.4 | Dick Coffman | 105.3 | SFN |
| XXXXX | 1.05 | Harry Eisenstat | 115.7 | DET |
| XXXXX | 0.99 | Mace Brown | 125.7 | PIT |
| XXXXX | 0.92 | Ivy Andrews | 39 | NYA |
| XXXXX | 0.49 | Fred Frankhouse | 93.7 | LAN |
| XXXXX | 0.29 | Joe Rogalski | 7 | DET |
| XXXXX | 0.1 | Bob Harris | 3 | DET |
| XXXXX | 0.08 | Art Doll | 3 | ATL |
| XXXXX | 0.03 | Max Lanier | 39 | SLN |
| XXXXX | -0.09 | Ralph Buxton | 9.3 | OAK |
| XXXXX | -0.21 | Jim Bagby | 180 | BOS |
| XXXXX | -0.28 | Jack Wilson | 189.7 | BOS |
| XXXXX | -0.33 | Clay Smith | 3 | CLE |
| XXXXX | -0.46 | Vito Tamulis | 160 | TOT |
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