| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | 4.52 | 194808300_DET_NYA |
| Cleveland Indians | CLE | 3.39 | 194809010_CLE_OAK |
| St. Louis Cardinals | SLN | 1.03 | 194809010_PHI_SLN |
| Philadelphia Phillies | PHI | 0.66 | 194808310_PHI_SLN |
| Cincinnati Reds | CIN | 0.37 | 194808310_ATL_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -3.18 | 194808310_BAL_NYA |
| Chicago White Sox | CHA | -2.54 | 194809010_CHA_MIN |
| Washington Senators | MIN | -1.89 | 194808300_CLE_MIN |
| Philadelphia Athletics | OAK | -1.68 | 194808310_CLE_OAK |
| Detroit Tigers | DET | -0.73 | 194809010_DET_BOS |
Based on accumulated WAA for this season up to 1948-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.04 | Dutch Leonard | 185.7 | PHI |
| +006+ | 7.89 | Bob Lemon | 241 | CLE |
| +014+ | 6.61 | Harry Brecheen | 182 | SLN |
| +021+ | 4.79 | Ted Wilks | 113 | SLN |
| +048+ | 2.95 | Eddie Lopat | 187 | NYA |
| +051+ | 2.72 | Kirby Higbe | 133.7 | PIT |
| +053+ | 2.63 | Bob Porterfield | 49 | NYA |
| +054+ | 2.6 | Harry Gumbert | 89 | CIN |
| +058+ | 2.53 | Ed Klieman | 72.7 | CLE |
| +067+ | 2.12 | Jess Dobernic | 71.7 | CHN |
| +084+ | 1.63 | Andy Hansen | 66.7 | SFN |
| +088+ | 1.53 | Tommy Byrne | 85.3 | NYA |
| +091+ | 1.37 | Paul Minner | 47.3 | LAN |
| +092+ | 1.34 | Joe Haynes | 126 | CHA |
| XXXXX | 1.18 | Ken Trinkle | 53.3 | SFN |
| XXXXX | 1.14 | Jim Blackburn | 16 | CIN |
| XXXXX | 1 | Bobby Hogue | 79 | ATL |
| XXXXX | 0.92 | Forrest Thompson | 97 | MIN |
| XXXXX | 0.9 | Mickey Haefner | 142.7 | MIN |
| XXXXX | 0.89 | Denny Galehouse | 111.3 | BOS |
| XXXXX | 0.85 | Russ Christopher | 50.7 | CLE |
| XXXXX | 0.79 | Red Embree | 69 | NYA |
| XXXXX | 0.55 | Clyde Shoun | 67.7 | ATL |
| XXXXX | 0.45 | Ted Gray | 52.3 | DET |
| XXXXX | 0.21 | Tom Ferrick | 59 | MIN |
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