| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 4.76 | 193009200_OAK_BAL |
| Washington Senators | MIN | 2.49 | 193009190_MIN_DET |
| Brooklyn Robins | LAN | 1.31 | 193009200_PIT_LAN |
| Detroit Tigers | DET | 0.49 | 193009210_MIN_DET |
| St. Louis Cardinals | SLN | 0.27 | 193009201_SLN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -12.15 | 193009190_SLN_PHI |
| St. Louis Browns | BAL | -1.8 | 193009211_OAK_BAL |
| Cleveland Indians | CLE | -0.76 | 193009190_BOS_CLE |
| Cincinnati Reds | CIN | -0.65 | 193009190_CIN_SFN |
| Boston Red Sox | BOS | -0.47 | 193009190_BOS_CLE |
Based on accumulated WAA for this season up to 1930-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 14.99 | Lefty Grove | 288.7 | OAK |
| +009+ | 10.28 | Wes Ferrell | 296.3 | CLE |
| +021+ | 6.45 | George Uhle | 237.7 | DET |
| +040+ | 4.61 | Ad Liska | 141.7 | MIN |
| +053+ | 3.56 | Ray Kolp | 164.7 | CIN |
| +065+ | 2.88 | Firpo Marberry | 184.7 | MIN |
| +066+ | 2.76 | Sloppy Thurston | 95 | LAN |
| +067+ | 2.74 | Pete Appleton | 112.7 | CLE |
| +069+ | 2.62 | Ray Phelps | 177 | LAN |
| +081+ | 2.23 | Dolf Luque | 200 | LAN |
| +082+ | 2.19 | Freddie Fitzsimmons | 215 | SFN |
| +084+ | 2.14 | Red Faber | 160 | CHA |
| +088+ | 2.05 | Jim Moore | 39 | CHA |
| +095+ | 1.85 | Bobby Burke | 73.3 | MIN |
| +100+ | 1.68 | Herb Pennock | 156.7 | NYA |
| XXXXX | 1.15 | Jim Lindsey | 103.7 | SLN |
| XXXXX | 1.15 | Hank Johnson | 172.7 | NYA |
| XXXXX | 1 | Eddie Rommel | 122.7 | OAK |
| XXXXX | 0.7 | Ed Durham | 132 | BOS |
| XXXXX | 0.68 | Bill Morrell | 8 | SFN |
| XXXXX | 0.56 | Ken Ash | 29 | CIN |
| XXXXX | 0.49 | John Milligan | 17.7 | PHI |
| XXXXX | 0.34 | Ed Brandt | 144 | ATL |
| XXXXX | 0.23 | Mark Koenig | 2 | TOT |
| XXXXX | 0.11 | Bob Kline | 1 | BOS |
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