| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Kennedy | BAL | -3.58 | 194906250_BAL_BOS |
| Carl Scheib | OAK | -2.25 | 194906240_CHA_OAK |
| Clint Hartung | SFN | -1.92 | 194906230_SFN_SLN |
| Ellis Kinder | BOS | -1.57 | 194906240_BAL_BOS |
| Curt Simmons | PHI | -1.48 | 194906230_PHI_PIT |
Based on accumulated WAA for this season up to 1949-06-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.5 | Vic Raschi | 123 | NYA |
| +003+ | 4.79 | Virgil Trucks | 131.7 | DET |
| +004+ | 4.77 | Mel Parnell | 136 | BOS |
| +009+ | 4.04 | Warren Spahn | 130 | ATL |
| +012+ | 3.32 | Hal Newhouser | 138.3 | DET |
| +013+ | 3.13 | Hank Borowy | 95.3 | PHI |
| +014+ | 3.03 | Ken Heintzelman | 105.3 | PHI |
| +017+ | 2.88 | Dave Koslo | 54.7 | SFN |
| +018+ | 2.83 | Gerry Staley | 66.3 | SLN |
| +022+ | 2.66 | Ken Raffensberger | 91.7 | CIN |
| +023+ | 2.65 | Preacher Roe | 79 | LAN |
| +026+ | 2.45 | Joe Coleman | 109.7 | OAK |
| +031+ | 2.2 | Dick Fowler | 83.3 | OAK |
| +033+ | 2.16 | Bill Wight | 106 | CHA |
| +035+ | 2.09 | Bob Lemon | 89 | CLE |
| +039+ | 2.05 | Howie Pollet | 91 | SLN |
| +041+ | 1.89 | Monk Dubiel | 64 | CHN |
| +042+ | 1.87 | Sheldon Jones | 99.3 | SFN |
| +043+ | 1.86 | Sid Hudson | 99.3 | MIN |
| +044+ | 1.81 | Bill Werle | 84.7 | PIT |
| +050+ | 1.75 | Vern Bickford | 101.7 | ATL |
| +053+ | 1.66 | Robin Roberts | 88.7 | PHI |
| +054+ | 1.64 | Al Brazle | 102 | SLN |
| +056+ | 1.63 | Eddie Erautt | 70.3 | CIN |
| +057+ | 1.62 | Buddy Lively | 66 | CIN |
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