| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 10.66 | 197009020_NYN_SLN |
| Sam McDowell | CLE | 10.17 | 197009020_CLE_TEX |
| Jim Palmer | BAL | 7.44 | 197009030_BAL_NYA |
| Jim Perry | MIN | 4.01 | 197009011_MIN_MIL |
| Diego Segui | OAK | 2.94 | 197009030_CHA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -2.95 | 197009010_PIT_WAS |
| Grant Jackson | PHI | -2.94 | 197009020_PHI_CHN |
| Mike Kekich | NYA | -1.52 | 197009020_BAL_NYA |
| Wally Bunker | KCA | -1.34 | 197009010_KCA_ANA |
| Bart Johnson | CHA | -1.01 | 197009020_CHA_OAK |
Based on accumulated WAA for this season up to 1970-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 8.46 | Tom Seaver | 261 | NYN |
| +008+ | 7.9 | Sam McDowell | 268.3 | CLE |
| +012+ | 6.99 | Jim Palmer | 254 | BAL |
| +023+ | 5.37 | Jim Perry | 231.3 | MIN |
| +030+ | 4.69 | Clyde Wright | 216 | ANA |
| +033+ | 4.61 | Diego Segui | 147.3 | OAK |
| +034+ | 4.57 | Dick Bosman | 190 | TEX |
| +037+ | 4.5 | Tommy John | 245.3 | CHA |
| +042+ | 4.06 | Fritz Peterson | 210 | NYA |
| +043+ | 3.98 | Andy Messersmith | 189.7 | ANA |
| +047+ | 3.84 | Gary Nolan | 215.3 | CIN |
| +049+ | 3.79 | Wayne Simpson | 173.7 | CIN |
| +052+ | 3.62 | Bob Gibson | 250 | SLN |
| +056+ | 3.43 | Ray Culp | 209.7 | BOS |
| +054+ | 3.43 | Milt Pappas | 147.7 | TOT |
| +057+ | 3.41 | Mel Stottlemyre | 230.7 | NYA |
| +063+ | 3.26 | Dave McNally | 247.7 | BAL |
| +065+ | 3.16 | Ken Holtzman | 237.7 | CHN |
| +069+ | 3 | Tom Hall | 107.7 | MIN |
| +071+ | 2.8 | Stan Bahnsen | 198.3 | NYA |
| +073+ | 2.75 | Pat Jarvis | 216.3 | ATL |
| +078+ | 2.64 | Danny Coombs | 160 | SDN |
| +079+ | 2.61 | Bill Zepp | 124 | MIN |
| +083+ | 2.51 | Jerry Koosman | 164.3 | NYN |
| +086+ | 2.34 | Bob Johnson | 173 | KCA |
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