| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 9.36 | 196405260_CLE_NYA |
| Don Drysdale | LAN | 8.02 | 196405260_LAN_CIN |
| Juan Marichal | SFN | 5.72 | 196405270_SFN_SLN |
| Bob Friend | PIT | 3.24 | 196405270_PHI_PIT |
| Turk Farrell | HOU | 3.05 | 196405260_HOU_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Fisher | NYN | -3.77 | 196405260_NYN_CHN |
| Mudcat Grant | CLE | -1.86 | 196405260_CLE_NYA |
| Bennie Daniels | TEX | -1.71 | 196405260_TEX_BOS |
| Art Mahaffey | PHI | -1.48 | 196405270_PHI_PIT |
| Barry Latman | ANA | -1.39 | 196405250_MIN_ANA |
Based on accumulated WAA for this season up to 1964-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.89 | Whitey Ford | 76.3 | NYA |
| +004+ | 2.83 | Juan Pizarro | 46.7 | CHA |
| +005+ | 2.71 | Robin Roberts | 67 | BAL |
| +007+ | 2.62 | Juan Marichal | 81.3 | SFN |
| +009+ | 2.57 | Don Drysdale | 85 | LAN |
| +010+ | 2.49 | Chris Short | 33.3 | PHI |
| +012+ | 2.42 | Turk Farrell | 67.3 | HOU |
| +014+ | 2.36 | Bob Gibson | 66 | SLN |
| +016+ | 2.26 | Jim Bunning | 59.7 | PHI |
| +018+ | 2.17 | Jack Kralick | 60.3 | CLE |
| +022+ | 2.01 | Curt Simmons | 64.3 | SLN |
| +024+ | 1.99 | Dennis Bennett | 71 | PHI |
| +023+ | 1.99 | Phil Ortega | 58.3 | LAN |
| +027+ | 1.9 | Bob Bruce | 46.7 | HOU |
| +029+ | 1.85 | Jim Maloney | 57 | CIN |
| +033+ | 1.78 | Wally Bunker | 41 | BAL |
| +035+ | 1.69 | Sandy Koufax | 64.7 | LAN |
| +036+ | 1.67 | Bob Lee | 44 | ANA |
| +037+ | 1.6 | Ken Johnson | 67.7 | HOU |
| +040+ | 1.54 | Dean Chance | 40 | ANA |
| +042+ | 1.5 | Dave Wickersham | 64.3 | DET |
| +045+ | 1.4 | Hank Fischer | 59 | ATL |
| +051+ | 1.34 | John Buzhardt | 39.3 | CHA |
| XXXXX | 1.15 | Willie Smith | 25.7 | ANA |
| XXXXX | 1.06 | Roger Craig | 51 | SLN |
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