| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Brecheen | SLN | 6.64 | 194906170_PHI_SLN |
| Vic Raschi | NYA | 5.78 | 194906180_CLE_NYA |
| Bob Lemon | CLE | 5.27 | 194906170_CLE_NYA |
| Warren Spahn | ATL | 5.22 | 194906191_ATL_CIN |
| Dutch Leonard | CHN | 3.84 | 194906180_LAN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Vander Meer | CIN | -1.99 | 194906192_ATL_CIN |
| Billy Pierce | CHA | -1.94 | 194906180_CHA_BOS |
| Curt Simmons | PHI | -1.85 | 194906180_PHI_SLN |
| Ellis Kinder | BOS | -1.55 | 194906180_CHA_BOS |
| Clint Hartung | SFN | -1.41 | 194906170_SFN_PIT |
Based on accumulated WAA for this season up to 1949-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.88 | Vic Raschi | 118 | NYA |
| +003+ | 4.69 | Virgil Trucks | 127.3 | DET |
| +008+ | 3.48 | Mel Parnell | 118 | BOS |
| +009+ | 3.33 | Warren Spahn | 121 | ATL |
| +011+ | 3.1 | Ken Heintzelman | 97 | PHI |
| +013+ | 2.8 | Robin Roberts | 84.7 | PHI |
| +014+ | 2.75 | Hank Borowy | 86.3 | PHI |
| +015+ | 2.74 | Preacher Roe | 72.3 | LAN |
| +018+ | 2.49 | Dave Koslo | 42.7 | SFN |
| +019+ | 2.48 | Howie Pollet | 83.3 | SLN |
| +026+ | 2.32 | Hal Newhouser | 124.3 | DET |
| +027+ | 2.32 | Al Brazle | 97 | SLN |
| +028+ | 2.31 | Harry Brecheen | 90.3 | SLN |
| +030+ | 2.3 | Bob Lemon | 74.7 | CLE |
| +031+ | 2.24 | Monty Kennedy | 94.3 | SFN |
| +032+ | 2.23 | Joe Coleman | 101.7 | OAK |
| +034+ | 2.15 | Sheldon Jones | 95.7 | SFN |
| +035+ | 2.14 | Ken Raffensberger | 83 | CIN |
| +039+ | 1.98 | Eddie Erautt | 64 | CIN |
| +043+ | 1.95 | Bill Werle | 78.7 | PIT |
| +045+ | 1.87 | Rip Sewell | 41 | PIT |
| +048+ | 1.74 | Gerry Staley | 51.3 | SLN |
| +049+ | 1.72 | Monk Dubiel | 61 | CHN |
| +054+ | 1.55 | Vern Bickford | 90.7 | ATL |
| +055+ | 1.51 | Steve Gromek | 51 | CLE |
_