| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 6.54 | 194907020_PHI_ATL |
| Bob Lemon | CLE | 4.14 | 194907020_BAL_CLE |
| Dutch Leonard | CHN | 2.5 | 194907010_PIT_CHN |
| Harry Brecheen | SLN | 2.41 | 194907010_CIN_SLN |
| Virgil Trucks | DET | 1.69 | 194907020_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Marino Pieretti | CHA | -5.91 | 194907030_CHA_DET |
| Bill Kennedy | BAL | -4.08 | 194907031_BAL_CLE |
| Herm Wehmeier | CIN | -2.43 | 194907030_CIN_SLN |
| Jack Kramer | BOS | -2.32 | 194907010_BOS_OAK |
| Clint Hartung | SFN | -0.99 | 194907020_LAN_SFN |
Based on accumulated WAA for this season up to 1949-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 4.55 | Vic Raschi | 134 | NYA |
| +008+ | 4.35 | Warren Spahn | 145 | ATL |
| +009+ | 4.13 | Hal Newhouser | 147.3 | DET |
| +010+ | 4.1 | Mel Parnell | 142.3 | BOS |
| +011+ | 4.03 | Virgil Trucks | 146.3 | DET |
| +012+ | 3.92 | Dave Koslo | 72.7 | SFN |
| +013+ | 3.77 | Hank Borowy | 114 | PHI |
| +014+ | 3.48 | Al Benton | 58.3 | CLE |
| +016+ | 3.38 | Ken Heintzelman | 114.3 | PHI |
| +017+ | 3.32 | Ken Raffensberger | 109.7 | CIN |
| +018+ | 3.3 | Joe Coleman | 125.7 | OAK |
| +020+ | 3.29 | Bill Wight | 121.3 | CHA |
| +021+ | 3.2 | Howie Pollet | 108 | SLN |
| +023+ | 3.17 | Gerry Staley | 81.3 | SLN |
| +027+ | 2.87 | Preacher Roe | 88 | LAN |
| +029+ | 2.61 | Bob Lemon | 106.3 | CLE |
| +030+ | 2.53 | Steve Gromek | 70.3 | CLE |
| +033+ | 2.45 | Bob Chipman | 59.3 | CHN |
| +036+ | 2.26 | Robin Roberts | 104.7 | PHI |
| +038+ | 2.19 | Vern Bickford | 115.7 | ATL |
| +046+ | 1.93 | Alex Kellner | 109.3 | OAK |
| +049+ | 1.85 | Monk Dubiel | 74.7 | CHN |
| +048+ | 1.85 | Monty Kennedy | 113 | SFN |
| +052+ | 1.81 | Al Brazle | 111 | SLN |
| +056+ | 1.72 | Buddy Lively | 67.3 | CIN |
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