| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 12.4 | 197008050_NYA_CLE |
| Jim Palmer | BAL | 5.12 | 197008050_BOS_BAL |
| Jerry Koosman | NYN | 4.08 | 197008030_CHN_NYN |
| Jim Perry | MIN | 3.32 | 197008031_MIL_MIN |
| Ray Culp | BOS | 3.01 | 197008040_BOS_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gene Brabender | MIL | -5.36 | 197008050_MIL_CHA |
| Dan McGinn | WAS | -2.36 | 197008030_PIT_WAS |
| Grant Jackson | PHI | -2.11 | 197008030_SLN_PHI |
| Ron Reed | ATL | -1.85 | 197008032_ATL_HOU |
| Clay Kirby | SDN | -1.1 | 197008030_CIN_SDN |
Based on accumulated WAA for this season up to 1970-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.51 | Tom Seaver | 207.3 | NYN |
| +009+ | 6.76 | Sam McDowell | 216.7 | CLE |
| +014+ | 5.61 | Jim Palmer | 197 | BAL |
| +018+ | 5.16 | Danny Coombs | 129.7 | SDN |
| +029+ | 3.92 | Ray Culp | 171 | BOS |
| +032+ | 3.81 | Jim McGlothlin | 158.7 | CIN |
| +031+ | 3.81 | Tommy John | 199.3 | CHA |
| +035+ | 3.67 | Wayne Simpson | 170.7 | CIN |
| +036+ | 3.61 | Diego Segui | 104.7 | OAK |
| +042+ | 3.29 | Jim Perry | 177.3 | MIN |
| +045+ | 3.2 | Mel Stottlemyre | 181.7 | NYA |
| +047+ | 3.16 | Jerry Koosman | 130.3 | NYN |
| +049+ | 3.02 | Clyde Wright | 171 | ANA |
| +051+ | 2.96 | Pat Jarvis | 182.3 | ATL |
| +053+ | 2.86 | Andy Messersmith | 164.7 | ANA |
| +052+ | 2.86 | Mickey Lolich | 192.3 | DET |
| +057+ | 2.6 | Gary Nolan | 166 | CIN |
| +063+ | 2.51 | Rudy May | 151.7 | ANA |
| +064+ | 2.48 | Joe Niekro | 156.3 | DET |
| +066+ | 2.47 | Steve Hargan | 58.7 | CLE |
| +067+ | 2.46 | Bert Blyleven | 87.3 | MIN |
| +069+ | 2.41 | Stan Bahnsen | 159 | NYA |
| +071+ | 2.37 | Chuck Taylor | 94 | SLN |
| +075+ | 2.28 | Bill Singer | 96.3 | LAN |
| +076+ | 2.26 | Claude Osteen | 186 | LAN |
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