| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 13.77 | 197008010_SDN_NYN |
| Sam McDowell | CLE | 10.54 | 197008010_CLE_CHA |
| Jim Palmer | BAL | 3.89 | 197008010_KCA_BAL |
| Jim Perry | MIN | 3.32 | 197008031_MIL_MIN |
| Diego Segui | OAK | 3.06 | 197008021_TEX_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nelson Briles | SLN | -3.93 | 197008010_SLN_HOU |
| Mike McCormick | NYA | -3.91 | 197008020_NYA_MIL |
| Dan McGinn | WAS | -2.36 | 197008030_PIT_WAS |
| Grant Jackson | PHI | -2.11 | 197008030_SLN_PHI |
| Ron Reed | ATL | -1.85 | 197008032_ATL_HOU |
Based on accumulated WAA for this season up to 1970-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.57 | Tom Seaver | 207.3 | NYN |
| +007+ | 7.23 | Sam McDowell | 212 | CLE |
| +017+ | 5.21 | Danny Coombs | 129.7 | SDN |
| +019+ | 4.83 | Jim Palmer | 188 | BAL |
| +025+ | 4.1 | Ray Culp | 166 | BOS |
| +029+ | 3.89 | Jim McGlothlin | 154.7 | CIN |
| +033+ | 3.7 | Wayne Simpson | 170.7 | CIN |
| +035+ | 3.64 | Diego Segui | 104.7 | OAK |
| +038+ | 3.49 | Clyde Wright | 166.7 | ANA |
| +042+ | 3.34 | Jim Perry | 177.3 | MIN |
| +044+ | 3.23 | Mel Stottlemyre | 181.7 | NYA |
| +045+ | 3.2 | Jerry Koosman | 130.3 | NYN |
| +049+ | 3.02 | Tommy John | 190.3 | CHA |
| +050+ | 2.88 | Andy Messersmith | 164.7 | ANA |
| +056+ | 2.63 | Gary Nolan | 166 | CIN |
| +059+ | 2.53 | Rudy May | 151.7 | ANA |
| +060+ | 2.52 | Joe Niekro | 156.3 | DET |
| +065+ | 2.45 | Pat Jarvis | 174.3 | ATL |
| +066+ | 2.43 | Stan Bahnsen | 159 | NYA |
| +068+ | 2.31 | Claude Osteen | 186 | LAN |
| +069+ | 2.3 | Bill Singer | 96.3 | LAN |
| +070+ | 2.29 | Mickey Lolich | 183.3 | DET |
| +072+ | 2.23 | Dick Bosman | 140.7 | TEX |
| +075+ | 2.2 | Tom Hall | 73 | MIN |
| +077+ | 2.18 | Chuck Taylor | 91.7 | SLN |
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