| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 10.25 | 194805301_CLE_CHA |
| Johnny Schmitz | CHN | 9.27 | 194805301_CHN_CIN |
| Harry Brecheen | SLN | 7.69 | 194805280_SLN_PIT |
| Johnny Sain | ATL | 5.67 | 194805280_LAN_ATL |
| Hal Newhouser | DET | 4.07 | 194805300_DET_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Preacher Roe | LAN | -2.54 | 194805290_LAN_ATL |
| Clint Hartung | SFN | -2.14 | 194805300_PHI_SFN |
| Jack Kramer | BOS | -1.73 | 194805291_BOS_MIN |
| Bob Gillespie | CHA | -1.45 | 194805302_CLE_CHA |
| Kent Peterson | CIN | -1.39 | 194805301_CHN_CIN |
Based on accumulated WAA for this season up to 1948-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.63 | Harry Brecheen | 48 | SLN |
| +004+ | 3.47 | Bob Lemon | 78.3 | CLE |
| +005+ | 3.35 | Johnny Schmitz | 70.7 | CHN |
| +008+ | 2.79 | Gene Bearden | 34.7 | CLE |
| +012+ | 2.45 | Kirby Higbe | 48 | PIT |
| +013+ | 2.15 | Elmer Riddle | 56 | PIT |
| +015+ | 2.04 | Walt Masterson | 55.3 | MIN |
| +017+ | 1.95 | Dave Koslo | 38 | SFN |
| +018+ | 1.94 | Russ Meyer | 52 | CHN |
| +020+ | 1.76 | Warren Spahn | 45.7 | ATL |
| +023+ | 1.7 | Vic Raschi | 43 | NYA |
| +028+ | 1.54 | Ray Poat | 47 | SFN |
| +029+ | 1.5 | Dutch Leonard | 53 | PHI |
| +030+ | 1.45 | Carl Scheib | 53 | OAK |
| +032+ | 1.41 | Phil Marchildon | 70.3 | OAK |
| +034+ | 1.37 | Bob Feller | 67 | CLE |
| +036+ | 1.35 | Bill Voiselle | 57 | ATL |
| XXXXX | 1.22 | Joe Dobson | 63.7 | BOS |
| XXXXX | 1.15 | Johnny Sain | 59.3 | ATL |
| XXXXX | 1.11 | Vern Bickford | 25.3 | ATL |
| XXXXX | 1.05 | Allie Reynolds | 62 | NYA |
| XXXXX | 1.04 | Mel Parnell | 39.7 | BOS |
| XXXXX | 1.03 | Spec Shea | 49 | NYA |
| XXXXX | 1.02 | Preacher Roe | 45.3 | LAN |
| XXXXX | 0.99 | Dick Welteroth | 15 | MIN |
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