| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 12.67 | 196506280_LAN_SFN |
| Sandy Koufax | LAN | 9.85 | 196506290_LAN_SFN |
| Milt Pappas | BAL | 4.28 | 196506290_DET_BAL |
| Joe Horlen | CHA | 4.26 | 196506290_CHA_MIN |
| Turk Farrell | HOU | 2.44 | 196506300_SFN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Galen Cisco | NYN | -3.07 | 196506282_ATL_NYN |
| Buster Narum | TEX | -2.71 | 196506290_NYA_TEX |
| Bob Purkey | SLN | -2.5 | 196506290_SLN_PHI |
| Bo Belinsky | PHI | -1.68 | 196506290_SLN_PHI |
| Dave Wickersham | DET | -1.66 | 196506290_DET_BAL |
Based on accumulated WAA for this season up to 1965-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.55 | Juan Marichal | 142 | SFN |
| +002+ | 5.38 | Sandy Koufax | 146.3 | LAN |
| +003+ | 5.32 | Vern Law | 113 | PIT |
| +007+ | 4.32 | Jim Kaat | 124.7 | MIN |
| +010+ | 4.13 | Milt Pappas | 107.3 | BAL |
| +011+ | 3.94 | Claude Osteen | 146.7 | LAN |
| +015+ | 3.65 | Sam McDowell | 113.3 | CLE |
| +016+ | 3.58 | Don Drysdale | 147.3 | LAN |
| +018+ | 3.34 | Turk Farrell | 111.3 | HOU |
| +021+ | 3.07 | Mel Stottlemyre | 131 | NYA |
| +028+ | 2.72 | Joe Horlen | 106.7 | CHA |
| +032+ | 2.64 | Jim Maloney | 109.3 | CIN |
| +035+ | 2.59 | Bob Gibson | 141 | SLN |
| +040+ | 2.32 | Bob Veale | 125 | PIT |
| +042+ | 2.25 | George Brunet | 68 | ANA |
| +044+ | 2.23 | Ralph Terry | 104 | CLE |
| +057+ | 1.77 | Sonny Siebert | 71 | CLE |
| +056+ | 1.77 | Bob Shaw | 88 | SFN |
| +059+ | 1.76 | Fred Newman | 131 | ANA |
| +063+ | 1.69 | Bobby Bolin | 59.7 | SFN |
| +062+ | 1.69 | Pete Richert | 86.7 | TEX |
| +074+ | 1.47 | Sammy Ellis | 128 | CIN |
| +076+ | 1.45 | Jim Bunning | 119.3 | PHI |
| +078+ | 1.42 | Marcelino Lopez | 107.3 | ANA |
| +080+ | 1.4 | Jim Lonborg | 92 | BOS |
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