| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 4.76 | 193009200_OAK_BAL |
| Washington Senators | MIN | 2.47 | 193009200_MIN_DET |
| Brooklyn Robins | LAN | 1.31 | 193009200_PIT_LAN |
| Detroit Tigers | DET | 0.49 | 193009210_MIN_DET |
| St. Louis Cardinals | SLN | 0.37 | 193009220_SLN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -3.44 | 193009201_SLN_PHI |
| St. Louis Browns | BAL | -1.8 | 193009211_OAK_BAL |
| Cleveland Indians | CLE | -0.69 | 193009200_BOS_CLE |
| Boston Red Sox | BOS | -0.35 | 193009200_BOS_CLE |
| Boston Braves | ATL | -0.21 | 193009220_CHN_ATL |
Based on accumulated WAA for this season up to 1930-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 15.01 | Lefty Grove | 288.7 | OAK |
| +009+ | 10.31 | Wes Ferrell | 296.3 | CLE |
| +021+ | 6.47 | George Uhle | 237.7 | DET |
| +040+ | 4.62 | Ad Liska | 141.7 | MIN |
| +053+ | 3.57 | Ray Kolp | 164.7 | CIN |
| +065+ | 2.9 | Firpo Marberry | 184.7 | MIN |
| +068+ | 2.77 | Sloppy Thurston | 95 | LAN |
| +069+ | 2.75 | Pete Appleton | 112.7 | CLE |
| +070+ | 2.63 | Ray Phelps | 177 | LAN |
| +081+ | 2.24 | Dolf Luque | 200 | LAN |
| +082+ | 2.23 | Hi Bell | 113.3 | SLN |
| +083+ | 2.21 | Freddie Fitzsimmons | 215 | SFN |
| +085+ | 2.15 | Red Faber | 160 | CHA |
| +088+ | 2.05 | Jim Moore | 39 | CHA |
| +100+ | 1.69 | Herb Pennock | 156.7 | NYA |
| XXXXX | 1.16 | Hank Johnson | 172.7 | NYA |
| XXXXX | 1.16 | Jim Lindsey | 103.7 | SLN |
| XXXXX | 1.01 | Eddie Rommel | 122.7 | OAK |
| XXXXX | 0.71 | 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 | 0.25 | Ed Brandt | 145 | ATL |
| XXXXX | 0.23 | Mark Koenig | 2 | TOT |
| XXXXX | 0.11 | Bob Kline | 1 | BOS |
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