| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Koufax | LAN | 8.6 | 196505300_CIN_LAN |
| Jim Maloney | CIN | 4.41 | 196505311_CIN_LAN |
| Gary Peters | CHA | 3.47 | 196505300_NYA_CHA |
| Camilo Pascual | MIN | 3.09 | 196505300_MIN_TEX |
| Chris Short | PHI | 2.46 | 196505310_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Jackson | NYN | -4.82 | 196505301_PIT_NYN |
| Earl Wilson | BOS | -2.28 | 196505311_ANA_BOS |
| Hank Fischer | ATL | -1.46 | 196505290_ATL_LAN |
| Diego Segui | OAK | -1.4 | 196505312_OAK_TEX |
| Phil Regan | DET | -1.32 | 196505300_CLE_DET |
Based on accumulated WAA for this season up to 1965-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.45 | Jim Kaat | 84.7 | MIN |
| +004+ | 3.11 | Sandy Koufax | 90.3 | LAN |
| +006+ | 3.01 | Johnny Podres | 64 | LAN |
| +009+ | 2.85 | Bob Gibson | 92 | SLN |
| +008+ | 2.85 | Marcelino Lopez | 81 | ANA |
| +010+ | 2.65 | Juan Marichal | 81 | SFN |
| +012+ | 2.45 | Turk Farrell | 57.7 | HOU |
| +015+ | 2.34 | Joe Horlen | 66.3 | CHA |
| +021+ | 2.04 | Camilo Pascual | 78 | MIN |
| +025+ | 1.92 | Jim Maloney | 61 | CIN |
| +026+ | 1.91 | Don Drysdale | 93.7 | LAN |
| +031+ | 1.83 | Milt Pappas | 59 | BAL |
| +034+ | 1.73 | Dave Boswell | 40 | MIN |
| +036+ | 1.67 | Vern Law | 51 | PIT |
| +045+ | 1.52 | Wade Blasingame | 66 | ATL |
| +047+ | 1.51 | Ralph Terry | 63.3 | CLE |
| +046+ | 1.51 | Mel Stottlemyre | 80.3 | NYA |
| +049+ | 1.5 | Jim Lonborg | 54.3 | BOS |
| +052+ | 1.45 | Bob Buhl | 67 | CHN |
| +053+ | 1.44 | Sonny Siebert | 48 | CLE |
| +063+ | 1.26 | Fred Newman | 82 | ANA |
| XXXXX | 1.2 | Bobby Bolin | 33 | SFN |
| XXXXX | 1.19 | Claude Osteen | 90 | LAN |
| XXXXX | 1.15 | George Brunet | 27.7 | ANA |
| XXXXX | 1.14 | Tracy Stallard | 64 | SLN |
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