| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Brecheen | SLN | 8.08 | 194808190_CIN_SLN |
| Joe Dobson | BOS | 2.57 | 194808190_OAK_BOS |
| Ray Scarborough | MIN | 2.36 | 194808201_MIN_BOS |
| Eddie Lopat | NYA | 1.29 | 194808200_NYA_OAK |
| Bob Chesnes | PIT | 1.11 | 194808180_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Early Wynn | MIN | -2.99 | 194808190_NYA_MIN |
| Dutch McCall | CHN | -2.3 | 194808200_CIN_CHN |
| Howie Fox | CIN | -1.79 | 194808200_CIN_CHN |
| Bill Wight | CHA | -1.15 | 194808200_CHA_CLE |
| Jack Kramer | BOS | -0.77 | 194808202_MIN_BOS |
Based on accumulated WAA for this season up to 1948-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.86 | Harry Brecheen | 172 | SLN |
| +004+ | 7.74 | Dutch Leonard | 167 | PHI |
| +009+ | 6.37 | Johnny Sain | 215.7 | ATL |
| +012+ | 6.01 | Johnny Schmitz | 191.3 | CHN |
| +013+ | 5.88 | Bob Lemon | 214 | CLE |
| +015+ | 5.56 | Gene Bearden | 135.7 | CLE |
| +018+ | 4.77 | Ray Scarborough | 141.3 | MIN |
| +020+ | 4.59 | Ted Wilks | 103.7 | SLN |
| +022+ | 4.23 | Hal Newhouser | 180.7 | DET |
| +028+ | 3.64 | Mel Parnell | 150.3 | BOS |
| +029+ | 3.56 | Dizzy Trout | 156.3 | DET |
| +032+ | 3.51 | Joe Dobson | 183.7 | BOS |
| +034+ | 3.19 | Robin Roberts | 87.3 | PHI |
| +037+ | 3.08 | Rex Barney | 157 | LAN |
| +039+ | 3.04 | Bob Chesnes | 119.3 | PIT |
| +038+ | 3.04 | Vic Raschi | 156.7 | NYA |
| +040+ | 3.03 | Satchel Paige | 47.3 | CLE |
| +043+ | 2.88 | Ned Garver | 141.7 | BAL |
| +047+ | 2.76 | Eddie Lopat | 169 | NYA |
| +049+ | 2.62 | Tommy Byrne | 81 | NYA |
| +050+ | 2.56 | Steve Gromek | 95.3 | CLE |
| +051+ | 2.54 | Dave Koslo | 111.7 | SFN |
| +055+ | 2.42 | Carl Erskine | 29.7 | LAN |
| +056+ | 2.33 | Nels Potter | 97 | TOT |
| +058+ | 2.29 | Preacher Roe | 113.7 | LAN |
_