| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Braves | ATL | 2.71 | 194809290_ATL_LAN |
| Brooklyn Dodgers | LAN | 2.18 | 194809290_ATL_LAN |
| New York Yankees | NYA | 1.87 | 194809300_NYA_OAK |
| St. Louis Cardinals | SLN | 1.13 | 194810010_CHN_SLN |
| Cleveland Indians | CLE | 1 | 194810010_DET_CLE |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Browns | BAL | -5.94 | 194809300_BAL_DET |
| Washington Senators | MIN | -3.91 | 194809290_MIN_BOS |
| Chicago White Sox | CHA | -1.42 | 194810011_BAL_CHA |
| Boston Red Sox | BOS | -1.19 | 194809290_MIN_BOS |
| Philadelphia Athletics | OAK | -0.7 | 194809300_NYA_OAK |
Based on accumulated WAA for this season up to 1948-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +022+ | 5.52 | Preacher Roe | 174 | LAN |
| +032+ | 4.65 | Ted Wilks | 131.3 | SLN |
| +045+ | 3.36 | Nels Potter | 111.3 | TOT |
| +051+ | 2.99 | Dizzy Trout | 181 | DET |
| +058+ | 2.69 | Kirby Higbe | 157.3 | PIT |
| +064+ | 2.58 | Spec Shea | 155.7 | NYA |
| +067+ | 2.47 | Andy Hansen | 98 | SFN |
| +070+ | 2.27 | Sam Zoldak | 159.7 | TOT |
| +080+ | 2.01 | Vic Raschi | 219.7 | NYA |
| +084+ | 1.79 | Allie Reynolds | 232.7 | NYA |
| +083+ | 1.79 | Rip Sewell | 121.7 | PIT |
| +085+ | 1.78 | Jess Dobernic | 83.3 | CHN |
| +088+ | 1.73 | Harry Gumbert | 106 | CIN |
| +089+ | 1.72 | Ken Trinkle | 68.3 | SFN |
| +095+ | 1.59 | Bill Voiselle | 211.7 | ATL |
| +099+ | 1.55 | Russ Christopher | 59 | CLE |
| +098+ | 1.55 | Carl Erskine | 58.7 | LAN |
| XXXXX | 1.2 | Randy Gumpert | 114.3 | TOT |
| XXXXX | 0.92 | Denny Galehouse | 134.3 | BOS |
| XXXXX | 0.88 | Forrest Thompson | 131.3 | MIN |
| XXXXX | 0.85 | Monk Dubiel | 150.3 | PHI |
| XXXXX | 0.66 | Jim Konstanty | 9 | PHI |
| XXXXX | 0.65 | Bob Chipman | 58.7 | CHN |
| XXXXX | 0.65 | Bob Rush | 132.3 | CHN |
| XXXXX | 0.23 | Lou Kretlow | 20 | DET |
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