| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | 2.53 | 193809051_CHN_PIT |
| Cincinnati Reds | CIN | 2.47 | 193809051_SLN_CIN |
| St. Louis Cardinals | SLN | 2.18 | 193809040_SLN_PIT |
| Chicago Cubs | CHN | 1.48 | 193809031_CHN_CIN |
| Boston Bees | ATL | 1.14 | 193809030_PHI_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | -4.21 | 193809030_MIN_OAK |
| Washington Senators | MIN | -2.77 | 193809051_BOS_MIN |
| St. Louis Browns | BAL | -2.08 | 193809051_DET_BAL |
| Chicago White Sox | CHA | -0.89 | 193809051_CLE_CHA |
| Philadelphia Phillies | PHI | -0.53 | 193809041_PHI_ATL |
Based on accumulated WAA for this season up to 1938-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.58 | Paul Derringer | 261 | CIN |
| +035+ | 4.45 | Jumbo Brown | 80 | SFN |
| +044+ | 3.65 | Jim Tobin | 200.3 | PIT |
| +045+ | 3.64 | Bob Weiland | 205 | SLN |
| +050+ | 3.31 | Ira Hutchinson | 120 | ATL |
| +056+ | 3.08 | Bill Swift | 123.7 | PIT |
| +062+ | 2.75 | Larry French | 188 | CHN |
| XXXXX | 1.02 | Jack Wilson | 166 | BOS |
| XXXXX | 0.98 | Ivy Andrews | 35.3 | NYA |
| XXXXX | 0.73 | Harry Eisenstat | 99 | DET |
| XXXXX | 0.73 | Joe Heving | 52.3 | TOT |
| XXXXX | 0.6 | Slick Castleman | 87.7 | SFN |
| XXXXX | 0.48 | Jack Russell | 85 | CHN |
| XXXXX | 0.38 | Clyde Shoun | 95.3 | SLN |
| XXXXX | 0.22 | Mace Brown | 107.3 | PIT |
| XXXXX | -0.01 | Doc Cramer | 4 | BOS |
| XXXXX | -0.03 | Rip Sewell | 38.3 | PIT |
| XXXXX | -0.1 | Joe Bowman | 59 | PIT |
| XXXXX | -0.38 | Gene Schott | 74.7 | CIN |
| XXXXX | -0.52 | Ray Harrell | 60.7 | SLN |
| XXXXX | -0.55 | Harry Boyles | 17.3 | CHA |
| XXXXX | -0.79 | Dick Midkiff | 33.3 | BOS |
| XXXXX | -0.82 | Pete Appleton | 139.3 | MIN |
| XXXXX | -0.93 | Dave Smith | 33.7 | OAK |
| -100- | -1.37 | Archie McKain | 81 | BOS |
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