| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | 7.5 | 193809280_PIT_CHN |
| St. Louis Cardinals | SLN | 2.94 | 193809290_CIN_SLN |
| Pittsburgh Pirates | PIT | 1.41 | 193809290_PIT_CHN |
| Boston Red Sox | BOS | 0.55 | 193809280_BOS_OAK |
| New York Giants | SFN | 0.55 | 193809290_PHI_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | -3.48 | 193809290_MIN_BOS |
| Chicago White Sox | CHA | -1.45 | 193809290_CHA_CLE |
| Detroit Tigers | DET | -0.86 | 193809290_BAL_DET |
| St. Louis Browns | BAL | -0.63 | 193809290_BAL_DET |
| Philadelphia Phillies | PHI | -0.52 | 193809290_PHI_SFN |
Based on accumulated WAA for this season up to 1938-09-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +017+ | 6.68 | Clay Bryant | 270 | CHN |
| +030+ | 5.12 | Jumbo Brown | 90 | SFN |
| +035+ | 4.75 | Bill McGee | 214 | SLN |
| +036+ | 4.7 | Lefty Grove | 163.7 | BOS |
| +037+ | 4.64 | Charlie Root | 151.7 | CHN |
| +058+ | 3.13 | Tot Pressnell | 192 | LAN |
| +060+ | 2.97 | Dick Errickson | 122.7 | ATL |
| +059+ | 2.97 | Bill Swift | 146.3 | PIT |
| +080+ | 2.07 | Curt Davis | 173.3 | SLN |
| +083+ | 1.91 | Dick Coffman | 110.7 | SFN |
| +085+ | 1.81 | Larry French | 196 | CHN |
| +087+ | 1.78 | Cy Blanton | 171 | PIT |
| +088+ | 1.76 | Jack Russell | 100.3 | CHN |
| +094+ | 1.51 | Ed Brandt | 96.3 | PIT |
| XXXXX | 1.16 | Paul Dean | 25 | SLN |
| XXXXX | 1.08 | Mace Brown | 131 | PIT |
| XXXXX | 1.07 | Harry Eisenstat | 116.3 | DET |
| XXXXX | 0.7 | Red Barrett | 28.7 | CIN |
| XXXXX | 0.67 | Vance Page | 61 | CHN |
| XXXXX | 0.29 | Hiker Moran | 3 | ATL |
| XXXXX | 0.27 | Roy Henshaw | 128.7 | SLN |
| XXXXX | 0.19 | Clyde Shoun | 112.7 | SLN |
| XXXXX | 0.18 | Art Doll | 4 | ATL |
| XXXXX | 0.13 | Max Macon | 129.3 | SLN |
| XXXXX | 0.04 | Jack Wilson | 194.7 | BOS |
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