| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 10.25 | 194805301_CLE_CHA |
| Johnny Schmitz | CHN | 9.27 | 194805301_CHN_CIN |
| Warren Spahn | ATL | 5.14 | 194805312_PHI_ATL |
| Hal Newhouser | DET | 4.07 | 194805300_DET_BAL |
| Eddie Lopat | NYA | 2 | 194805301_NYA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Muncrief | CLE | -3.34 | 194805312_BAL_CLE |
| Sid Hudson | MIN | -2.74 | 194805311_MIN_NYA |
| Preacher Roe | LAN | -2.54 | 194805290_LAN_ATL |
| Clint Hartung | SFN | -2.14 | 194805300_PHI_SFN |
| Jack Kramer | BOS | -1.73 | 194805291_BOS_MIN |
Based on accumulated WAA for this season up to 1948-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.64 | Harry Brecheen | 48 | SLN |
| +003+ | 3.46 | Bob Lemon | 78.3 | CLE |
| +005+ | 3.31 | Johnny Schmitz | 70.7 | CHN |
| +007+ | 2.98 | Gene Bearden | 43.7 | CLE |
| +009+ | 2.66 | Kirby Higbe | 50.3 | PIT |
| +010+ | 2.65 | Ken Heintzelman | 34.3 | PHI |
| +011+ | 2.58 | Elmer Riddle | 65 | PIT |
| +018+ | 2.07 | Joe Dobson | 72.7 | BOS |
| +019+ | 2.05 | Walt Masterson | 55.3 | MIN |
| +020+ | 1.94 | Dave Koslo | 38 | SFN |
| +022+ | 1.88 | Spec Shea | 58 | NYA |
| +023+ | 1.8 | Russ Meyer | 57.3 | CHN |
| +024+ | 1.74 | Warren Spahn | 54.7 | ATL |
| +026+ | 1.68 | Vic Raschi | 43 | NYA |
| +030+ | 1.58 | Ray Poat | 49.7 | SFN |
| +033+ | 1.49 | Dutch Leonard | 53 | PHI |
| +034+ | 1.43 | Carl Scheib | 53 | OAK |
| +036+ | 1.38 | Phil Marchildon | 70.3 | OAK |
| +038+ | 1.36 | Bob Feller | 67 | CLE |
| +040+ | 1.33 | Bill Voiselle | 57 | ATL |
| +042+ | 1.32 | Joe Coleman | 63 | OAK |
| XXXXX | 1.11 | Andy Hansen | 11.7 | SFN |
| XXXXX | 1.03 | Mel Parnell | 39.7 | BOS |
| XXXXX | 1.01 | Allie Reynolds | 62 | NYA |
| XXXXX | 1 | Preacher Roe | 45.3 | LAN |
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