| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | 1.73 | 191506190_SFN_PIT |
| Chicago Cubs | CHN | 0.73 | 191506200_LAN_CHN |
| Washington Senators | MIN | 0.39 | 191506211_BOS_MIN |
| Cleveland Indians | CLE | 0.19 | 191506191_CLE_NYA |
| Philadelphia Phillies | PHI | 0.12 | 191506190_PHI_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -2.8 | 191506211_BOS_MIN |
| St. Louis Cardinals | SLN | -2.39 | 191506190_ATL_SLN |
| St. Louis Browns | BAL | -2.03 | 191506200_BAL_DET |
| Philadelphia Athletics | OAK | -1.47 | 191506211_NYA_OAK |
| Cleveland Indians | CLE | -1.09 | 191506201_CHA_CLE |
Based on accumulated WAA for this season up to 1915-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +017+ | 2.19 | Al Mamaux | 96.7 | PIT |
| +042+ | 1.25 | Sailor Stroud | 57 | SFN |
| XXXXX | 1.17 | Bert Gallia | 77.7 | MIN |
| XXXXX | 1.12 | Zip Zabel | 80 | CHN |
| XXXXX | 1.07 | George Chalmers | 64.3 | PHI |
| XXXXX | 0.96 | Eppa Rixey | 59.7 | PHI |
| XXXXX | 0.76 | Doc Ayers | 44.3 | MIN |
| XXXXX | 0.53 | Ed Appleton | 58.7 | LAN |
| XXXXX | 0.41 | Rube Benton | 102.7 | CIN |
| XXXXX | -0.04 | Carl Mays | 61.3 | BOS |
| XXXXX | -0.12 | Sad Sam Jones | 43.7 | CLE |
| XXXXX | -0.14 | Joe Conzelman | 13.3 | PIT |
| XXXXX | -0.33 | King Lear | 70 | CIN |
| XXXXX | -0.47 | Bud Davis | 30 | OAK |
| XXXXX | -0.48 | Cy Pieh | 26.7 | NYA |
| XXXXX | -0.51 | George McQuillan | 78.7 | PIT |
| XXXXX | -0.57 | Rube Schauer | 26.3 | SFN |
| XXXXX | -0.66 | Wilbur Cooper | 61 | PIT |
| XXXXX | -0.67 | Bill Hopper | 14.7 | MIN |
| XXXXX | -0.72 | Bill James | 93.3 | BAL |
| XXXXX | -0.97 | Oscar Harstad | 16.3 | CLE |
| XXXXX | -0.98 | Lefty Tyler | 66 | ATL |
| XXXXX | -0.99 | Pug Cavet | 51.3 | DET |
| XXXXX | -1.12 | Hank Ritter | 18 | SFN |
| -028- | -1.33 | Bernie Boland | 74.7 | DET |
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