| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Garcia | CLE | 5.92 | 195108250_NYA_CLE |
| Warren Spahn | ATL | 5.9 | 195108271_SLN_ATL |
| Robin Roberts | PHI | 5.08 | 195108261_CIN_PHI |
| Sal Maglie | SFN | 3.83 | 195108261_CHN_SFN |
| Preacher Roe | LAN | 3.32 | 195108262_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Werle | PIT | -6.45 | 195108272_PIT_LAN |
| Dick Starr | MIN | -4.57 | 195108250_MIN_DET |
| Bill Wight | BOS | -2.02 | 195108261_BOS_CLE |
| Bobby Shantz | OAK | -1.79 | 195108270_OAK_DET |
| Red Munger | SLN | -1.12 | 195108272_SLN_ATL |
Based on accumulated WAA for this season up to 1951-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.28 | Warren Spahn | 240.3 | ATL |
| +006+ | 6.25 | Robin Roberts | 242 | PHI |
| +008+ | 6.18 | Mike Garcia | 206.7 | CLE |
| +011+ | 5.62 | Ralph Branca | 163 | LAN |
| +014+ | 5.27 | Sal Maglie | 231.7 | SFN |
| +015+ | 5.06 | Preacher Roe | 205.7 | LAN |
| +017+ | 4.89 | Eddie Lopat | 194 | NYA |
| +022+ | 4.39 | Saul Rogovin | 181.7 | TOT |
| +023+ | 4.31 | Bob Feller | 215.7 | CLE |
| +024+ | 4.29 | Larry Jansen | 223.7 | SFN |
| +025+ | 4.14 | Early Wynn | 216 | CLE |
| +027+ | 3.91 | Mickey McDermott | 152.7 | BOS |
| +030+ | 3.85 | Vern Bickford | 159.7 | ATL |
| +033+ | 3.61 | Don Newcombe | 203.7 | LAN |
| +034+ | 3.54 | Bubba Church | 196.3 | PHI |
| +039+ | 3.23 | Chet Nichols | 102.3 | ATL |
| +043+ | 3.11 | Vic Raschi | 208 | NYA |
| +048+ | 2.93 | Bob Lemon | 214.3 | CLE |
| +052+ | 2.64 | Ewell Blackwell | 185.3 | CIN |
| +054+ | 2.51 | Steve Gromek | 78.7 | CLE |
| +055+ | 2.5 | Russ Meyer | 168 | PHI |
| +057+ | 2.43 | Harry Perkowski | 85.7 | CIN |
| +061+ | 2.36 | Connie Marrero | 162 | MIN |
| +063+ | 2.33 | Mel Parnell | 176 | BOS |
| +067+ | 2.2 | Billy Pierce | 190.3 | CHA |
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