| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jerry Koosman | NYN | 4.08 | 197007290_SFN_NYN |
| Jim Perry | MIN | 3.07 | 197007300_MIN_CLE |
| Diego Segui | OAK | 2.65 | 197007290_BOS_OAK |
| Wayne Simpson | CIN | 1.97 | 197007311_CHN_CIN |
| Bill Singer | LAN | 1.92 | 197007300_LAN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -5.29 | 197007312_SFN_PHI |
| Gene Brabender | MIL | -4.26 | 197007312_NYA_MIL |
| Tom Griffin | HOU | -2.26 | 197007300_HOU_CHN |
| Dan McGinn | WAS | -1.68 | 197007300_LAN_WAS |
| Grant Jackson | PHI | -1.42 | 197007311_SFN_PHI |
Based on accumulated WAA for this season up to 1970-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.14 | Tom Seaver | 198.3 | NYN |
| +009+ | 6.37 | Sam McDowell | 203 | CLE |
| +020+ | 4.56 | Danny Coombs | 123 | SDN |
| +022+ | 4.2 | Jim Palmer | 179 | BAL |
| +023+ | 4.07 | Diego Segui | 102.7 | OAK |
| +024+ | 4.07 | Ray Culp | 166 | BOS |
| +026+ | 3.87 | Jim McGlothlin | 147.7 | CIN |
| +032+ | 3.7 | Wayne Simpson | 170.7 | CIN |
| +038+ | 3.47 | Clyde Wright | 166.7 | ANA |
| +042+ | 3.26 | Jerry Koosman | 124.3 | NYN |
| +045+ | 3.02 | Tommy John | 190.3 | CHA |
| +047+ | 2.96 | Joe Niekro | 152 | DET |
| +051+ | 2.86 | Andy Messersmith | 164.7 | ANA |
| +053+ | 2.84 | Jim Rooker | 151 | KCA |
| +054+ | 2.81 | Jim Perry | 169.3 | MIN |
| +057+ | 2.66 | Claude Osteen | 179 | LAN |
| +059+ | 2.54 | Mel Stottlemyre | 171.7 | NYA |
| +061+ | 2.47 | Bill Singer | 89.3 | LAN |
| +062+ | 2.45 | Stan Bahnsen | 159 | NYA |
| +063+ | 2.43 | Pat Jarvis | 174.3 | ATL |
| +066+ | 2.27 | Mickey Lolich | 176.3 | DET |
| +069+ | 2.17 | Chuck Taylor | 91.7 | SLN |
| +070+ | 2.11 | Tom Hall | 72 | MIN |
| +072+ | 2.07 | Bert Blyleven | 78.3 | MIN |
| +079+ | 1.99 | Gary Nolan | 159 | CIN |
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