| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Palmer | BAL | 9.02 | 197008300_MIL_BAL |
| Jim Perry | MIN | 4.01 | 197009011_MIN_MIL |
| Clyde Wright | ANA | 3.45 | 197008300_ANA_CLE |
| Fritz Peterson | NYA | 2.22 | 197009010_BAL_NYA |
| Tommy John | CHA | 2.19 | 197009010_CHA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nelson Briles | SLN | -6.69 | 197008310_NYN_SLN |
| Frank Reberger | SFN | -3.81 | 197008301_PIT_SFN |
| Bill Stoneman | WAS | -2.95 | 197009010_PIT_WAS |
| Skip Lockwood | MIL | -1.49 | 197008300_MIL_BAL |
| Wally Bunker | KCA | -1.34 | 197009010_KCA_ANA |
Based on accumulated WAA for this season up to 1970-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 8.05 | Sam McDowell | 261 | CLE |
| +007+ | 8.04 | Tom Seaver | 252 | NYN |
| +011+ | 7.05 | Jim Palmer | 245.7 | BAL |
| +023+ | 5.36 | Jim Perry | 231.3 | MIN |
| +030+ | 4.49 | Tommy John | 245.3 | CHA |
| +033+ | 4.39 | Diego Segui | 140.3 | OAK |
| +036+ | 4.3 | Clyde Wright | 209.3 | ANA |
| +040+ | 4.06 | Fritz Peterson | 210 | NYA |
| +042+ | 3.98 | Mel Stottlemyre | 225.3 | NYA |
| +043+ | 3.97 | Dick Bosman | 181 | TEX |
| +046+ | 3.8 | Wayne Simpson | 173.7 | CIN |
| +048+ | 3.77 | Andy Messersmith | 187.3 | ANA |
| +052+ | 3.63 | Bob Gibson | 250 | SLN |
| +055+ | 3.44 | Ray Culp | 209.7 | BOS |
| +059+ | 3.27 | Dave McNally | 241 | BAL |
| +061+ | 3.23 | Bill Zepp | 119.3 | MIN |
| +063+ | 3.17 | Ken Holtzman | 237.7 | CHN |
| +066+ | 3.05 | Gary Nolan | 206.7 | CIN |
| +068+ | 2.99 | Tom Hall | 107.7 | MIN |
| +070+ | 2.91 | Milt Pappas | 139.7 | TOT |
| +073+ | 2.8 | Stan Bahnsen | 198.3 | NYA |
| +075+ | 2.76 | Pat Jarvis | 216.3 | ATL |
| +083+ | 2.5 | Jerry Koosman | 164.3 | NYN |
| +087+ | 2.4 | Danny Coombs | 153 | SDN |
| +090+ | 2.22 | Bob Johnson | 165 | KCA |
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