| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 8.57 | 195705110_ATL_SLN |
| Billy Pierce | CHA | 6.24 | 195705100_CHA_DET |
| Early Wynn | CLE | 5.92 | 195705121_OAK_CLE |
| Bob Friend | PIT | 2.73 | 195705110_PHI_PIT |
| Johnny Kucks | NYA | 1.62 | 195705100_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Moore | BAL | -2.25 | 195705110_NYA_BAL |
| Chuck Stobbs | MIN | -1.85 | 195705121_MIN_BOS |
| Ruben Gomez | SFN | -1.59 | 195705100_LAN_SFN |
| Brooks Lawrence | CIN | -1.28 | 195705110_CIN_CHN |
| Dave Sisler | BOS | -1.06 | 195705122_MIN_BOS |
Based on accumulated WAA for this season up to 1957-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.01 | Jim Wilson | 33.7 | CHA |
| +003+ | 1.95 | Johnny Kucks | 39.7 | NYA |
| +005+ | 1.76 | Vern Law | 24.3 | PIT |
| +007+ | 1.69 | Tom Sturdivant | 30 | NYA |
| +009+ | 1.67 | Johnny Podres | 37.3 | LAN |
| +012+ | 1.66 | Lew Burdette | 58.3 | ATL |
| +011+ | 1.66 | Whitey Ford | 25 | NYA |
| +013+ | 1.63 | Ruben Gomez | 41.3 | SFN |
| +014+ | 1.59 | Frank Sullivan | 40 | BOS |
| +015+ | 1.57 | Tom Brewer | 44.3 | BOS |
| +016+ | 1.51 | Herb Score | 35.7 | CLE |
| +018+ | 1.38 | Frank Lary | 39 | DET |
| +019+ | 1.38 | Duke Maas | 39 | DET |
| +022+ | 1.33 | Bobby Shantz | 30.7 | NYA |
| XXXXX | 1.19 | Don Gross | 29.7 | CIN |
| XXXXX | 1.06 | Jim Bunning | 23.7 | DET |
| XXXXX | 1.01 | Pedro Ramos | 37.3 | MIN |
| XXXXX | 1.01 | Hal Jeffcoat | 39.3 | CIN |
| XXXXX | 0.97 | Bob Purkey | 34.3 | PIT |
| XXXXX | 0.96 | Tom Morgan | 44 | OAK |
| XXXXX | 0.87 | Jack Sanford | 31 | PHI |
| XXXXX | 0.84 | Alex Kellner | 18 | OAK |
| XXXXX | 0.78 | Mike Fornieles | 27 | BAL |
| XXXXX | 0.78 | Paul Foytack | 37 | DET |
| XXXXX | 0.73 | Luis Arroyo | 36.3 | PIT |
_