| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.87 | 197007090_WAS_NYN |
| Jim Perry | MIN | 5.02 | 197007080_MIN_OAK |
| Wayne Simpson | CIN | 4.79 | 197007090_SDN_CIN |
| Mel Stottlemyre | NYA | 2.74 | 197007070_NYA_BAL |
| Ray Culp | BOS | 1.89 | 197007071_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -4.62 | 197007082_WAS_CHN |
| Clay Kirby | SDN | -3.85 | 197007080_SDN_CIN |
| Lew Krausse | MIL | -2.54 | 197007072_CHA_MIL |
| Dick Such | TEX | -2.21 | 197007072_TEX_CLE |
| Rich Robertson | SFN | -2.16 | 197007070_SFN_ATL |
Based on accumulated WAA for this season up to 1970-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.1 | Tom Seaver | 172 | NYN |
| +011+ | 4.91 | Wayne Simpson | 141.7 | CIN |
| +013+ | 4.81 | Sam McDowell | 169 | CLE |
| +017+ | 4.33 | Jim Palmer | 151.7 | BAL |
| +018+ | 4.21 | Danny Coombs | 99.7 | SDN |
| +024+ | 3.53 | Jim McGlothlin | 129 | CIN |
| +026+ | 3.51 | Ray Culp | 131.7 | BOS |
| +030+ | 3.31 | Andy Messersmith | 138.3 | ANA |
| +031+ | 3.26 | Claude Osteen | 155 | LAN |
| +035+ | 3.19 | Clyde Wright | 137 | ANA |
| +040+ | 2.95 | Jim Merritt | 150 | CIN |
| +043+ | 2.74 | Jerry Koosman | 98.7 | NYN |
| +044+ | 2.65 | Pat Jarvis | 144.7 | ATL |
| +045+ | 2.61 | Jim Perry | 139 | MIN |
| +046+ | 2.57 | Joe Niekro | 123.7 | DET |
| +049+ | 2.4 | Tom Hall | 55.3 | MIN |
| +052+ | 2.38 | Tom Phoebus | 79.3 | BAL |
| +053+ | 2.36 | Eddie Fisher | 65.3 | ANA |
| +063+ | 2.04 | Dave Giusti | 54 | PIT |
| +067+ | 1.97 | Gary Gentry | 124.7 | NYN |
| +072+ | 1.89 | Bob Gibson | 143.7 | SLN |
| +076+ | 1.85 | Tommy John | 152.7 | CHA |
| +077+ | 1.83 | Mel Stottlemyre | 145 | NYA |
| +078+ | 1.82 | Bert Blyleven | 51.3 | MIN |
| +079+ | 1.8 | Bill Zepp | 53.3 | MIN |
_