| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.72 | 197005290_HOU_NYN |
| Sam McDowell | CLE | 9.95 | 197005290_CLE_OAK |
| Bill Hands | CHN | 4.4 | 197005280_PIT_CHN |
| Jim Perry | MIN | 4.31 | 197005290_NYA_MIN |
| Claude Osteen | LAN | 3.62 | 197005300_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Kekich | NYA | -4.14 | 197005290_NYA_MIN |
| Mike McCormick | SFN | -2.31 | 197005300_SFN_PIT |
| Bill Stoneman | WAS | -2.18 | 197005300_WAS_CIN |
| Clay Kirby | SDN | -1.68 | 197005301_SDN_CHN |
| Tom Griffin | HOU | -1.23 | 197005290_HOU_NYN |
Based on accumulated WAA for this season up to 1970-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 3.72 | Tom Seaver | 102 | NYN |
| +010+ | 3.2 | Sam McDowell | 98.3 | CLE |
| +013+ | 2.8 | Tom Phoebus | 67.3 | BAL |
| +014+ | 2.73 | Jim Palmer | 82.7 | BAL |
| +018+ | 2.63 | Danny Coombs | 54.7 | SDN |
| +019+ | 2.55 | Jim McGlothlin | 78.3 | CIN |
| +021+ | 2.48 | Jim Hunter | 83.7 | OAK |
| +022+ | 2.45 | Wayne Simpson | 72.7 | CIN |
| +023+ | 2.44 | Claude Osteen | 96 | LAN |
| +025+ | 2.42 | Jim Perry | 76 | MIN |
| +029+ | 2.13 | Rudy May | 73 | ANA |
| +031+ | 2.1 | Andy Messersmith | 84.3 | ANA |
| +032+ | 2.08 | Jim Merritt | 91.7 | CIN |
| +035+ | 2.07 | Gary Gentry | 72 | NYN |
| +036+ | 2.05 | Ray Culp | 74 | BOS |
| +040+ | 2 | Carl Morton | 64.7 | WAS |
| +042+ | 1.93 | Bill Hands | 79.3 | CHN |
| +043+ | 1.92 | Bob Veale | 80.3 | PIT |
| +047+ | 1.85 | Eddie Fisher | 37 | ANA |
| +055+ | 1.65 | Jerry Koosman | 62.7 | NYN |
| +057+ | 1.62 | Sandy Vance | 51.3 | LAN |
| +061+ | 1.54 | Mike Torrez | 59.7 | SLN |
| +069+ | 1.39 | Jim Kaat | 74 | MIN |
| +073+ | 1.35 | Jim Bunning | 62.7 | PHI |
| +075+ | 1.33 | Mel Stottlemyre | 79 | NYA |
_