| Starter | Tm | Tier | Game |
|---|---|---|---|
| Juan Marichal | SFN | 13.57 | 196509090_HOU_SFN |
| Sandy Koufax | LAN | 10.06 | 196509090_CHN_LAN |
| Sam McDowell | CLE | 7.15 | 196509080_BOS_CLE |
| Jim Kaat | MIN | 1.69 | 196509090_MIN_CHA |
| Joe Horlen | CHA | 1.26 | 196509090_MIN_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -7.02 | 196509080_PIT_SLN |
| Jim O'Toole | CIN | -6.31 | 196509080_NYN_CIN |
| Bob Hendley | CHN | -2.95 | 196509090_CHN_LAN |
| Jim Bouton | NYA | -2.68 | 196509080_TEX_NYA |
| Dave Wickersham | DET | -0.76 | 196509082_BAL_DET |
Based on accumulated WAA for this season up to 1965-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.52 | Juan Marichal | 262 | SFN |
| +002+ | 9.36 | Sandy Koufax | 290.7 | LAN |
| +007+ | 7.34 | Sam McDowell | 230.3 | CLE |
| +008+ | 7.02 | Vern Law | 208.3 | PIT |
| +013+ | 5.56 | Bob Shaw | 202 | SFN |
| +018+ | 5.17 | Sonny Siebert | 149.3 | CLE |
| +024+ | 4.84 | Mel Stottlemyre | 248 | NYA |
| +027+ | 4.61 | Milt Pappas | 189.3 | BAL |
| +028+ | 4.61 | Jim Maloney | 215.3 | CIN |
| +029+ | 4.6 | Jim Bunning | 239 | PHI |
| +036+ | 4.31 | George Brunet | 166 | ANA |
| +047+ | 3.68 | Jim Kaat | 230.7 | MIN |
| +048+ | 3.63 | Bob Gibson | 253.7 | SLN |
| +050+ | 3.56 | Jim Perry | 141 | MIN |
| +051+ | 3.53 | Marcelino Lopez | 211.7 | ANA |
| +052+ | 3.5 | Pete Richert | 158 | TEX |
| +054+ | 3.37 | Denny McLain | 186.3 | DET |
| +062+ | 3.08 | Steve Barber | 181 | BAL |
| +063+ | 3.06 | Claude Osteen | 242 | LAN |
| +069+ | 2.92 | Bob Veale | 230 | PIT |
| +073+ | 2.85 | Al McBean | 106.3 | PIT |
| +077+ | 2.78 | Don Drysdale | 269.3 | LAN |
| +083+ | 2.58 | Bobby Bolin | 130.3 | SFN |
| +087+ | 2.44 | Joe Horlen | 196 | CHA |
| +090+ | 2.32 | Joe Sparma | 141 | DET |
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