| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 2.17 | 191808230_CHA_OAK |
| Washington Senators | MIN | 1.76 | 191808230_CLE_MIN |
| Boston Braves | ATL | 1.48 | 191808251_ATL_CIN |
| St. Louis Browns | BAL | 0.29 | 191808240_BAL_BOS |
| Boston Red Sox | BOS | 0.15 | 191808240_BAL_BOS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -3.38 | 191808241_DET_NYA |
| Brooklyn Robins | LAN | -1.05 | 191808241_LAN_CHN |
| Philadelphia Athletics | OAK | -0.89 | 191808241_CHA_OAK |
| New York Yankees | NYA | -0.44 | 191808241_DET_NYA |
| Chicago White Sox | CHA | -0.14 | 191808230_CHA_OAK |
Based on accumulated WAA for this season up to 1918-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +066+ | 1.34 | Jake Northrop | 40 | ATL |
| +070+ | 1.28 | Eddie Matteson | 59 | MIN |
| +071+ | 1.28 | Oscar Tuero | 33.7 | SLN |
| XXXXX | 1.1 | Al Demaree | 142 | SFN |
| XXXXX | 0.85 | Doc Crandall | 26 | ATL |
| XXXXX | 0.74 | Ed Hovlik | 19 | MIN |
| XXXXX | 0.49 | Byron Houck | 66.3 | BAL |
| XXXXX | 0.16 | Walt Kinney | 12 | BOS |
| XXXXX | 0.08 | George McQuillan | 21 | CLE |
| XXXXX | -0.47 | William Pierson | 18.7 | OAK |
| XXXXX | -0.58 | Charlie Jamieson | 17 | OAK |
| XXXXX | -0.68 | Fritz Coumbe | 133.7 | CLE |
| XXXXX | -0.72 | Deacon Jones | 58 | DET |
| XXXXX | -0.72 | Roy Mitchell | 21.3 | TOT |
| XXXXX | -1.02 | Dave Danforth | 127.7 | CHA |
| -045- | -1.57 | Slim Love | 211.3 | NYA |
| -046- | -1.57 | Vean Gregg | 199.3 | OAK |
| -009- | -3.7 | Ferdie Schupp | 33.3 | SFN |
| -008- | -3.73 | Rudy Kallio | 162.7 | DET |
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