| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dean Chance | ANA | 12.62 | 196409071_BOS_ANA |
| Don Drysdale | LAN | 7.79 | 196409090_LAN_SFN |
| Jim Bunning | PHI | 7.53 | 196409090_SLN_PHI |
| Juan Pizarro | CHA | 5.84 | 196409090_CHA_MIN |
| Whitey Ford | NYA | 4.7 | 196409090_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Morehead | BOS | -3.17 | 196409071_BOS_ANA |
| Ken McBride | ANA | -2.57 | 196409072_BOS_ANA |
| Orlando Pena | OAK | -1.79 | 196409071_BAL_OAK |
| Jack Fisher | NYN | -1.29 | 196409072_HOU_NYN |
| Art Mahaffey | PHI | -1.01 | 196409080_LAN_PHI |
Based on accumulated WAA for this season up to 1964-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.26 | Dean Chance | 237.7 | ANA |
| +004+ | 8.43 | Don Drysdale | 278.3 | LAN |
| +007+ | 7.5 | Jim Bunning | 239.7 | PHI |
| +010+ | 6.71 | Chris Short | 172.7 | PHI |
| +012+ | 6.54 | Juan Pizarro | 217.7 | CHA |
| +013+ | 6.39 | Gary Peters | 238.7 | CHA |
| +022+ | 5.6 | Whitey Ford | 209.3 | NYA |
| +025+ | 5.36 | Juan Marichal | 216.7 | SFN |
| +026+ | 5.34 | Milt Pappas | 209.3 | BAL |
| +028+ | 5.24 | Joe Horlen | 161.7 | CHA |
| +029+ | 5.11 | Jim O'Toole | 182.3 | CIN |
| +034+ | 4.57 | Jim Bouton | 240.7 | NYA |
| +041+ | 4.07 | Bob Veale | 236 | PIT |
| +043+ | 3.89 | Wally Bunker | 177 | BAL |
| +052+ | 3.52 | Mickey Lolich | 204.3 | DET |
| +057+ | 3.26 | Gaylord Perry | 158.3 | SFN |
| +063+ | 3.05 | Don Larsen | 92 | TOT |
| +065+ | 2.92 | Bob Bruce | 175.7 | HOU |
| +067+ | 2.9 | Tony Cloninger | 210.3 | ATL |
| +068+ | 2.88 | Bob Purkey | 170.7 | CIN |
| +080+ | 2.59 | Robin Roberts | 184 | BAL |
| +081+ | 2.53 | Claude Osteen | 225 | TEX |
| +084+ | 2.41 | Steve Ridzik | 105 | TEX |
| +087+ | 2.33 | Jim Maloney | 181.7 | CIN |
| +095+ | 2.14 | Bob Gibson | 232.3 | SLN |
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