| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mel Parnell | BOS | 5.38 | 194909051_MIN_BOS |
| Bob Lemon | CLE | 4.94 | 194909052_CHA_CLE |
| Ken Heintzelman | PHI | 3.99 | 194909051_PHI_SFN |
| Warren Spahn | ATL | 3.91 | 194909051_ATL_LAN |
| Dave Koslo | SFN | 2.66 | 194909052_PHI_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Fannin | BAL | -4.07 | 194909030_BAL_CLE |
| Clint Hartung | SFN | -1.51 | 194909051_PHI_SFN |
| Bob Chesnes | PIT | -1.38 | 194909040_PIT_CHN |
| Johnny Sain | ATL | -1.22 | 194909041_ATL_PHI |
| Johnny Vander Meer | CIN | -0.98 | 194909052_CIN_CHN |
Based on accumulated WAA for this season up to 1949-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.84 | Mel Parnell | 252 | BOS |
| +006+ | 6.97 | Al Benton | 121.7 | CLE |
| +009+ | 6.47 | Howie Pollet | 194.7 | SLN |
| +010+ | 6.4 | Bob Lemon | 234.7 | CLE |
| +011+ | 6.3 | Mike Garcia | 141 | CLE |
| +012+ | 6.19 | Virgil Trucks | 240.3 | DET |
| +013+ | 6.02 | Ken Heintzelman | 216.3 | PHI |
| +014+ | 5.95 | Warren Spahn | 258.7 | ATL |
| +017+ | 5.59 | Dave Koslo | 164 | SFN |
| +019+ | 5.14 | Preacher Roe | 178.3 | LAN |
| +020+ | 5.11 | Fred Hutchinson | 171.3 | DET |
| +029+ | 4.46 | Vic Raschi | 238 | NYA |
| +037+ | 4.08 | Don Newcombe | 198.3 | LAN |
| +038+ | 4.04 | Al Brazle | 195.7 | SLN |
| +040+ | 3.8 | Bill Wight | 206.3 | CHA |
| +041+ | 3.65 | Hal Newhouser | 249 | DET |
| +042+ | 3.63 | Gerry Staley | 142 | SLN |
| +044+ | 3.39 | Robin Roberts | 193 | PHI |
| +047+ | 3.08 | Monty Kennedy | 188.3 | SFN |
| +048+ | 3.07 | Eddie Lopat | 180 | NYA |
| +050+ | 2.9 | Art Houtteman | 174.7 | DET |
| +052+ | 2.79 | Ken Raffensberger | 226 | CIN |
| +053+ | 2.58 | Billy Pierce | 159 | CHA |
| +059+ | 2.33 | Fred Martin | 54 | SLN |
| +058+ | 2.33 | Larry Jansen | 226.7 | SFN |
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