| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 8.77 | 197009202_PIT_NYN |
| Jim Palmer | BAL | 7.25 | 197009200_CLE_BAL |
| Clyde Wright | ANA | 3.86 | 197009200_ANA_OAK |
| Tommy John | CHA | 2.66 | 197009190_MIN_CHA |
| Tom Hall | MIN | 2.58 | 197009190_MIN_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -5.02 | 197009180_SFN_SDN |
| Bill Stoneman | WAS | -2.63 | 197009181_CHN_WAS |
| Mike Kilkenny | DET | -1.78 | 197009180_NYA_DET |
| Lowell Palmer | PHI | -1.61 | 197009180_PHI_SLN |
| Jerry Janeski | CHA | -1.6 | 197009200_MIN_CHA |
Based on accumulated WAA for this season up to 1970-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 8.48 | Sam McDowell | 292.3 | CLE |
| +009+ | 8 | Jim Palmer | 288.3 | BAL |
| +014+ | 7.28 | Tom Seaver | 286.3 | NYN |
| +025+ | 5.62 | Clyde Wright | 244.7 | ANA |
| +026+ | 5.44 | Jim Perry | 256.7 | MIN |
| +032+ | 5.13 | Diego Segui | 158.7 | OAK |
| +033+ | 5.03 | Gaylord Perry | 307.7 | SFN |
| +036+ | 4.81 | Dick Bosman | 212.7 | TEX |
| +039+ | 4.74 | Bob Gibson | 277 | SLN |
| +040+ | 4.68 | Fritz Peterson | 234 | NYA |
| +043+ | 4.59 | Ray Culp | 242.3 | BOS |
| +048+ | 4.39 | Tom Hall | 139.7 | MIN |
| +047+ | 4.39 | Gary Nolan | 237.7 | CIN |
| +057+ | 4.05 | Tommy John | 253.3 | CHA |
| +062+ | 3.81 | Mel Stottlemyre | 254.7 | NYA |
| +063+ | 3.79 | Dave McNally | 279 | BAL |
| +064+ | 3.77 | Wayne Simpson | 176 | CIN |
| +070+ | 3.33 | Bob Johnson | 197 | KCA |
| +072+ | 3.14 | Jerry Koosman | 199 | NYN |
| +075+ | 3.02 | Ken Holtzman | 269.7 | CHN |
| +077+ | 2.97 | Bert Blyleven | 154 | MIN |
| +078+ | 2.94 | Ferguson Jenkins | 287 | CHN |
| +079+ | 2.91 | Danny Coombs | 182.3 | SDN |
| +081+ | 2.88 | Stan Bahnsen | 225.7 | NYA |
| +082+ | 2.88 | Ron Klimkowski | 97.3 | NYA |
_