| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 12.72 | 196509220_LAN_ATL |
| Juan Marichal | SFN | 12.31 | 196509220_SFN_CIN |
| Sam McDowell | CLE | 7.62 | 196509240_CLE_DET |
| Jim Bunning | PHI | 3.74 | 196509231_PHI_CHN |
| Pete Richert | TEX | 2.05 | 196509220_TEX_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Bouton | NYA | -3.28 | 196509230_CLE_NYA |
| Jerry Stephenson | BOS | -1.08 | 196509222_BOS_ANA |
| Jim Hunter | OAK | -0.55 | 196509240_BOS_OAK |
| Sammy Ellis | CIN | -0.32 | 196509220_SFN_CIN |
| Mickey Lolich | DET | -0.24 | 196509220_CHA_DET |
Based on accumulated WAA for this season up to 1965-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.46 | Juan Marichal | 281.3 | SFN |
| +003+ | 9.4 | Sandy Koufax | 308.7 | LAN |
| +006+ | 8.45 | Sam McDowell | 255 | CLE |
| +010+ | 6.78 | Vern Law | 217.3 | PIT |
| +014+ | 6.05 | Mel Stottlemyre | 275 | NYA |
| +017+ | 5.52 | Jim Maloney | 240.3 | CIN |
| +021+ | 5.28 | Bob Shaw | 225.3 | SFN |
| +026+ | 5.13 | Jim Bunning | 273 | PHI |
| +037+ | 4.54 | Milt Pappas | 208 | BAL |
| +038+ | 4.38 | Sonny Siebert | 172.7 | CLE |
| +039+ | 4.23 | Pete Richert | 178 | TEX |
| +040+ | 4.16 | Claude Osteen | 272.7 | LAN |
| +041+ | 4.15 | George Brunet | 186 | ANA |
| +046+ | 3.99 | Bob Veale | 252.7 | PIT |
| +052+ | 3.71 | Don Drysdale | 290.3 | LAN |
| +053+ | 3.61 | Chris Short | 272.3 | PHI |
| +056+ | 3.58 | Bobby Bolin | 151 | SFN |
| +058+ | 3.48 | Jim Perry | 161.7 | MIN |
| +060+ | 3.46 | Denny McLain | 202.3 | DET |
| +066+ | 3.23 | Marcelino Lopez | 215.3 | ANA |
| +067+ | 3.17 | Jim Kaat | 247 | MIN |
| +072+ | 3.03 | Bob Gibson | 281.7 | SLN |
| +071+ | 3.03 | Steve Barber | 194.7 | BAL |
| +077+ | 2.92 | Fred Newman | 244.3 | ANA |
| +079+ | 2.9 | Al McBean | 110.3 | PIT |
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