| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 15.25 | 197007220_NYN_SDN |
| Andy Messersmith | ANA | 5.48 | 197007200_ANA_NYA |
| Claude Osteen | LAN | 4.43 | 197007220_WAS_LAN |
| Jim Perry | MIN | 2.98 | 197007220_DET_MIN |
| Wayne Simpson | CIN | 2.5 | 197007210_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -2.71 | 197007200_NYN_SFN |
| Clay Kirby | SDN | -2.47 | 197007210_NYN_SDN |
| Nelson Briles | SLN | -2.18 | 197007220_HOU_SLN |
| Tony Cloninger | CIN | -1.92 | 197007202_CIN_SLN |
| Gary Peters | BOS | -1.73 | 197007221_ANA_BOS |
Based on accumulated WAA for this season up to 1970-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 6.79 | Tom Seaver | 189.3 | NYN |
| +009+ | 5.98 | Sam McDowell | 187 | CLE |
| +017+ | 4.56 | Jim Palmer | 166.7 | BAL |
| +020+ | 4.06 | Clyde Wright | 155.7 | ANA |
| +021+ | 4.05 | Danny Coombs | 112.3 | SDN |
| +024+ | 3.85 | Wayne Simpson | 160.3 | CIN |
| +026+ | 3.83 | Ray Culp | 149.7 | BOS |
| +036+ | 3.31 | Andy Messersmith | 159 | ANA |
| +037+ | 3.27 | Claude Osteen | 174 | LAN |
| +038+ | 3.16 | Jim McGlothlin | 132.3 | CIN |
| +043+ | 2.87 | Joe Niekro | 138.7 | DET |
| +044+ | 2.84 | Diego Segui | 85.7 | OAK |
| +047+ | 2.71 | Stan Bahnsen | 147.7 | NYA |
| +053+ | 2.48 | Jim Perry | 156.3 | MIN |
| +055+ | 2.43 | Tom Hall | 62.7 | MIN |
| +058+ | 2.31 | Jerry Koosman | 110.3 | NYN |
| +062+ | 2.17 | Pat Jarvis | 160 | ATL |
| +063+ | 2.15 | Jim Rooker | 138.7 | KCA |
| +064+ | 2.13 | Eddie Fisher | 69.7 | ANA |
| +074+ | 1.94 | Gary Gentry | 124.7 | NYN |
| +079+ | 1.88 | Tommy John | 173.7 | CHA |
| +083+ | 1.73 | George Stone | 137 | ATL |
| +082+ | 1.73 | Bert Blyleven | 57.3 | MIN |
| +084+ | 1.71 | Joe Moeller | 70.3 | LAN |
| +085+ | 1.68 | Bill Hands | 163 | CHN |
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