| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 5.21 | 194908200_LAN_ATL |
| Mel Parnell | BOS | 5.06 | 194908200_BOS_MIN |
| Dave Koslo | SFN | 4.61 | 194908190_SFN_PHI |
| Vic Raschi | NYA | 3.64 | 194908210_OAK_NYA |
| Hal Newhouser | DET | 2.88 | 194908192_DET_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Fannin | BAL | -4.83 | 194908191_DET_BAL |
| Carl Scheib | OAK | -2.61 | 194908200_OAK_NYA |
| Dick Weik | MIN | -2.03 | 194908190_BOS_MIN |
| Lou Kretlow | DET | -1.82 | 194908212_DET_BAL |
| Jack Kramer | BOS | -1.71 | 194908210_BOS_MIN |
Based on accumulated WAA for this season up to 1949-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.5 | Mel Parnell | 227 | BOS |
| +005+ | 6.64 | Howie Pollet | 175 | SLN |
| +006+ | 6.12 | Warren Spahn | 226 | ATL |
| +008+ | 6.02 | Dave Koslo | 138 | SFN |
| +009+ | 5.99 | Al Benton | 97.3 | CLE |
| +010+ | 5.88 | Ken Heintzelman | 192.3 | PHI |
| +013+ | 5.6 | Mike Garcia | 117.3 | CLE |
| +014+ | 5.2 | Vic Raschi | 221.3 | NYA |
| +017+ | 4.83 | Bob Lemon | 196.7 | CLE |
| +019+ | 4.57 | Virgil Trucks | 214.7 | DET |
| +024+ | 4.13 | Gerry Staley | 128.3 | SLN |
| +026+ | 4.02 | Hal Newhouser | 217.7 | DET |
| +029+ | 3.95 | Fred Hutchinson | 152.7 | DET |
| +034+ | 3.6 | Eddie Lopat | 160.7 | NYA |
| +037+ | 3.49 | Preacher Roe | 143.3 | LAN |
| +040+ | 3.29 | Bill Wight | 186.7 | CHA |
| +041+ | 3.29 | Al Brazle | 170.7 | SLN |
| +042+ | 3.17 | Ken Raffensberger | 201 | CIN |
| +044+ | 2.96 | Robin Roberts | 166 | PHI |
| +051+ | 2.44 | Monty Kennedy | 164.3 | SFN |
| +054+ | 2.35 | Cliff Chambers | 119 | PIT |
| +055+ | 2.34 | Harry Brecheen | 165 | SLN |
| +060+ | 2.18 | Randy Gumpert | 186 | CHA |
| +061+ | 2.17 | Bill Voiselle | 117 | ATL |
| +064+ | 2.06 | Fred Martin | 33 | SLN |
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