| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 7.89 | 196406170_ATL_LAN |
| Juan Marichal | SFN | 5.38 | 196406180_SFN_SLN |
| Turk Farrell | HOU | 3.37 | 196406190_HOU_ATL |
| Jim Maloney | CIN | 3.27 | 196406190_LAN_CIN |
| Bob Gibson | SLN | 3.18 | 196406190_SFN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Moe Drabowsky | OAK | -3.16 | 196406190_TEX_OAK |
| Bennie Daniels | TEX | -2.75 | 196406190_TEX_OAK |
| Bill Spanswick | BOS | -1.8 | 196406192_BOS_BAL |
| Al Jackson | NYN | -1.67 | 196406180_NYN_PIT |
| Ray Sadecki | SLN | -1.38 | 196406180_SFN_SLN |
Based on accumulated WAA for this season up to 1964-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.09 | Whitey Ford | 117.3 | NYA |
| +003+ | 4.82 | Don Drysdale | 131.3 | LAN |
| +004+ | 3.98 | Sandy Koufax | 107.7 | LAN |
| +009+ | 3.38 | Bob Gibson | 105 | SLN |
| +013+ | 3.14 | Jim Maloney | 98 | CIN |
| +014+ | 3.14 | Jim Bunning | 99.7 | PHI |
| +016+ | 3.06 | Juan Pizarro | 81.7 | CHA |
| +017+ | 2.99 | Chris Short | 68 | PHI |
| +019+ | 2.92 | Robin Roberts | 97.3 | BAL |
| +021+ | 2.87 | Dean Chance | 85.3 | ANA |
| +025+ | 2.6 | Jack Kralick | 93.3 | CLE |
| +029+ | 2.38 | Turk Farrell | 95 | HOU |
| +035+ | 2.23 | Roger Craig | 69.7 | SLN |
| +042+ | 1.9 | Hank Fischer | 83 | ATL |
| +047+ | 1.74 | Ron Herbel | 68 | SFN |
| +050+ | 1.7 | Ken Johnson | 99.3 | HOU |
| +053+ | 1.68 | Juan Marichal | 116.3 | SFN |
| +056+ | 1.64 | Sam McDowell | 38 | CLE |
| +061+ | 1.5 | Dennis Bennett | 97.7 | PHI |
| +063+ | 1.44 | Claude Osteen | 98.7 | TEX |
| +066+ | 1.39 | Curt Simmons | 91.7 | SLN |
| +071+ | 1.35 | Steve Hamilton | 29.7 | NYA |
| +075+ | 1.27 | Vern Law | 86 | PIT |
| XXXXX | 1.2 | Bob Shaw | 51 | SFN |
| XXXXX | 1.15 | Gaylord Perry | 40 | SFN |
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