| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.59 | 197009071_WAS_NYN |
| Sam McDowell | CLE | 9.27 | 197009071_BOS_CLE |
| Jim Palmer | BAL | 7.12 | 197009070_BAL_DET |
| Jim Perry | MIN | 5.05 | 197009050_MIN_ANA |
| Clyde Wright | ANA | 3.4 | 197009060_MIN_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -3.19 | 197009050_WAS_SLN |
| Rich Robertson | SFN | -3.09 | 197009052_SFN_ATL |
| Lowell Palmer | PHI | -1.52 | 197009072_SLN_PHI |
| Mike Kekich | NYA | -1.34 | 197009070_NYA_TEX |
| Mike McQueen | ATL | -1.2 | 197009052_SFN_ATL |
Based on accumulated WAA for this season up to 1970-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 8.28 | Tom Seaver | 268 | NYN |
| +008+ | 7.97 | Sam McDowell | 275.3 | CLE |
| +015+ | 6.51 | Jim Palmer | 260.3 | BAL |
| +022+ | 5.5 | Jim Perry | 237.3 | MIN |
| +030+ | 4.89 | Diego Segui | 152.7 | OAK |
| +034+ | 4.67 | Fritz Peterson | 219 | NYA |
| +035+ | 4.66 | Clyde Wright | 222.3 | ANA |
| +042+ | 4.27 | Andy Messersmith | 192.7 | ANA |
| +043+ | 4.26 | Dick Bosman | 197 | TEX |
| +045+ | 4.16 | Tommy John | 246.3 | CHA |
| +048+ | 4 | Gary Nolan | 221.3 | CIN |
| +050+ | 3.9 | Bob Gibson | 259 | SLN |
| +051+ | 3.81 | Wayne Simpson | 173.7 | CIN |
| +055+ | 3.61 | Ray Culp | 218.7 | BOS |
| +057+ | 3.52 | Tom Hall | 115.7 | MIN |
| +060+ | 3.42 | Mel Stottlemyre | 230.7 | NYA |
| +067+ | 3.32 | Stan Bahnsen | 206.3 | NYA |
| +068+ | 3.2 | Bob Johnson | 182 | KCA |
| +072+ | 3 | Dave McNally | 254 | BAL |
| +074+ | 2.96 | Ken Holtzman | 246.7 | CHN |
| +077+ | 2.77 | Gaylord Perry | 280.7 | SFN |
| +081+ | 2.63 | Jerry Koosman | 172.3 | NYN |
| +082+ | 2.62 | Milt Pappas | 152.3 | TOT |
| +085+ | 2.54 | Ferguson Jenkins | 269.3 | CHN |
| +096+ | 2.26 | Steve Blass | 169 | PIT |
_