| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 3.68 | 193108280_PIT_SLN |
| Philadelphia Athletics | OAK | 3.4 | 193108290_NYA_OAK |
| Boston Braves | ATL | 2.89 | 193108301_ATL_LAN |
| Brooklyn Robins | LAN | 0.58 | 193108301_ATL_LAN |
| Washington Senators | MIN | 0.43 | 193108300_OAK_MIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -5.4 | 193108290_BAL_CLE |
| Cincinnati Reds | CIN | -1.19 | 193108300_CIN_CHN |
| Detroit Tigers | DET | -1.17 | 193108300_CHA_DET |
| Pittsburgh Pirates | PIT | -0.97 | 193108301_PIT_SLN |
| Philadelphia Phillies | PHI | -0.75 | 193108301_PHI_SFN |
Based on accumulated WAA for this season up to 1931-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 4.86 | Tom Zachary | 186.3 | ATL |
| +034+ | 3.85 | Bob Smith | 203 | CHN |
| +040+ | 3.57 | George Earnshaw | 239 | OAK |
| +055+ | 2.45 | Rube Walberg | 247 | OAK |
| +062+ | 2.32 | Jack Quinn | 58.7 | LAN |
| +072+ | 1.96 | Jakie May | 79 | CHN |
| +077+ | 1.83 | Jack Ogden | 75 | CIN |
| +082+ | 1.75 | Bump Hadley | 138.3 | MIN |
| +088+ | 1.57 | Red Faber | 158.7 | CHA |
| +089+ | 1.5 | Fred Frankhouse | 105.3 | ATL |
| +097+ | 1.32 | Jim Lindsey | 59.3 | SLN |
| +095+ | 1.32 | Lon Warneke | 50.7 | CHN |
| XXXXX | 1.02 | Ben Cantwell | 104.7 | ATL |
| XXXXX | 0.85 | Jumbo Elliott | 210.7 | PHI |
| XXXXX | 0.7 | Ed Baecht | 66 | CHN |
| XXXXX | 0.68 | Wilcy Moore | 133.7 | BOS |
| XXXXX | 0.41 | Gordon Rhodes | 46.3 | NYA |
| XXXXX | 0.4 | Cy Moore | 32.3 | LAN |
| XXXXX | 0.32 | Jack Berly | 101 | SFN |
| XXXXX | 0.16 | Bob Weiland | 42.7 | CHA |
| XXXXX | 0.09 | Roy Parmelee | 18.3 | SFN |
| XXXXX | 0.05 | Ivy Andrews | 16 | NYA |
| XXXXX | 0.01 | Clarence Mitchell | 171.7 | SFN |
| XXXXX | -0.05 | Allyn Stout | 56 | SLN |
| XXXXX | -0.06 | John Milligan | 3.7 | PHI |
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