| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.4 | 197007040_NYN_PHI |
| Sam McDowell | CLE | 11.23 | 197007060_TEX_CLE |
| Bob Gibson | SLN | 4.14 | 197007050_SLN_WAS |
| Claude Osteen | LAN | 3.93 | 197007060_LAN_HOU |
| Jim Palmer | BAL | 3.74 | 197007050_DET_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gene Brabender | MIL | -2.98 | 197007060_CHA_MIL |
| Mike McCormick | SFN | -2.58 | 197007050_LAN_SFN |
| Al Santorini | SDN | -2.05 | 197007060_SDN_CIN |
| Dave Boswell | MIN | -2.04 | 197007040_CHA_MIN |
| Gary Peters | BOS | -1.83 | 197007060_BOS_DET |
Based on accumulated WAA for this season up to 1970-07-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 5.51 | Wayne Simpson | 139 | CIN |
| +006+ | 5.47 | Tom Seaver | 163 | NYN |
| +010+ | 4.79 | Sam McDowell | 169 | CLE |
| +015+ | 4.31 | Jim Palmer | 151.7 | BAL |
| +017+ | 4.21 | Danny Coombs | 99.7 | SDN |
| +025+ | 3.38 | Jim McGlothlin | 127.3 | CIN |
| +030+ | 3.29 | Andy Messersmith | 138.3 | ANA |
| +031+ | 3.29 | Pat Jarvis | 137.7 | ATL |
| +032+ | 3.28 | Ray Culp | 125 | BOS |
| +034+ | 3.22 | Claude Osteen | 155 | LAN |
| +037+ | 3.09 | Jim Perry | 130.7 | MIN |
| +038+ | 2.99 | Clyde Wright | 130.3 | ANA |
| +039+ | 2.96 | Jim Merritt | 150 | CIN |
| +043+ | 2.73 | Jerry Koosman | 98.7 | NYN |
| +045+ | 2.65 | Eddie Fisher | 61.7 | ANA |
| +047+ | 2.5 | Joe Niekro | 116 | DET |
| +049+ | 2.38 | Jim Hunter | 144.7 | OAK |
| +050+ | 2.37 | Tom Phoebus | 79.3 | BAL |
| +054+ | 2.17 | Tom Hall | 48.3 | MIN |
| +060+ | 2.03 | Stan Bahnsen | 124.3 | NYA |
| +068+ | 1.91 | Dave Giusti | 52.7 | PIT |
| +072+ | 1.85 | Bob Gibson | 143.7 | SLN |
| +075+ | 1.79 | Bill Zepp | 53.3 | MIN |
| +081+ | 1.71 | Dave Roberts | 86.3 | SDN |
| +083+ | 1.68 | Bert Blyleven | 45.3 | MIN |
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