| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 6.8 | 196304160_PHI_ATL |
| Bob Gibson | SLN | 4.32 | 196304160_PIT_SLN |
| Whitey Ford | NYA | 4.04 | 196304160_DET_NYA |
| Sandy Koufax | LAN | 3.96 | 196304140_LAN_HOU |
| Hank Aguirre | DET | 1.98 | 196304160_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jay Hook | NYN | -6.77 | 196304160_NYN_CIN |
| Sam McDowell | CLE | -2.01 | 196304160_TEX_CLE |
| Cal McLish | PHI | -1.59 | 196304160_PHI_ATL |
| Bob Bruce | HOU | -0.95 | 196304160_HOU_SFN |
| Diego Segui | OAK | -0.64 | 196304140_MIN_OAK |
Based on accumulated WAA for this season up to 1963-04-16.
| Rank | WAA | Name | IP | Tm |
|---|
_