| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | 7.75 | 193009070_OAK_MIN |
| Cincinnati Reds | CIN | 1.96 | 193009060_CIN_SLN |
| Washington Senators | MIN | 1.12 | 193009050_MIN_NYA |
| Brooklyn Robins | LAN | 0.53 | 193009060_PHI_LAN |
| Pittsburgh Pirates | PIT | 0.43 | 193009050_CHN_PIT |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | -4.34 | 193009060_CHN_PIT |
| Philadelphia Phillies | PHI | -2.69 | 193009071_PHI_ATL |
| St. Louis Browns | BAL | -0.93 | 193009070_BAL_DET |
| New York Giants | SFN | -0.89 | 193009061_SFN_ATL |
| New York Yankees | NYA | -0.67 | 193009060_MIN_NYA |
Based on accumulated WAA for this season up to 1930-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 12.85 | Lefty Grove | 262.7 | OAK |
| +034+ | 4.89 | Ray Kolp | 151.7 | CIN |
| +038+ | 4.44 | George Earnshaw | 266.3 | OAK |
| +043+ | 4.18 | Firpo Marberry | 173.7 | MIN |
| +053+ | 3.39 | George Pipgras | 211 | NYA |
| +055+ | 3.29 | Watty Clark | 186.7 | LAN |
| +060+ | 3.04 | Carl Hubbell | 207.7 | SFN |
| +063+ | 2.95 | Danny MacFayden | 238.3 | BOS |
| +073+ | 2.45 | Charlie Root | 220.3 | CHN |
| +097+ | 1.66 | Bud Teachout | 125 | CHN |
| +104+ | 1.33 | Bobby Burke | 63 | MIN |
| +106+ | 1.32 | Erv Brame | 200.7 | PIT |
| XXXXX | 0.88 | Rip Collins | 147.3 | BAL |
| XXXXX | 0.82 | Jack Quinn | 91 | OAK |
| XXXXX | 0.81 | Ken Ash | 24 | CIN |
| XXXXX | 0.76 | Steve Swetonic | 88 | PIT |
| XXXXX | 0.71 | Spades Wood | 34.7 | PIT |
| XXXXX | 0.57 | Larry French | 237.3 | PIT |
| XXXXX | 0.33 | Si Johnson | 62.7 | CIN |
| XXXXX | -0.22 | Guy Cantrell | 29.7 | DET |
| XXXXX | -0.44 | Roy Mahaffey | 150 | OAK |
| XXXXX | -0.56 | Andy Bednar | 0.7 | PIT |
| XXXXX | -0.58 | Ben Cantwell | 156.3 | ATL |
| XXXXX | -0.59 | Sheriff Blake | 164.7 | CHN |
| XXXXX | -0.89 | Joe Heving | 80.3 | SFN |
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