| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 10.02 | 197008170_CLE_ANA |
| Jim Palmer | BAL | 6.28 | 197008170_BAL_MIL |
| Danny Coombs | SDN | 2.1 | 197008160_SDN_PIT |
| Bob Gibson | SLN | 2.09 | 197008170_LAN_SLN |
| Clyde Wright | ANA | 1.99 | 197008180_CLE_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Kekich | NYA | -2.08 | 197008180_NYA_MIN |
| Jerry Janeski | CHA | -1.84 | 197008160_CHA_TEX |
| Dan McGinn | WAS | -1.65 | 197008160_WAS_HOU |
| Ron Bryant | SFN | -1.47 | 197008160_SFN_SLN |
| Grant Jackson | PHI | -1.43 | 197008170_PHI_CIN |
Based on accumulated WAA for this season up to 1970-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.44 | Tom Seaver | 232 | NYN |
| +008+ | 7.18 | Sam McDowell | 238.7 | CLE |
| +013+ | 6.42 | Jim Palmer | 221.7 | BAL |
| +028+ | 4.54 | Clyde Wright | 192.7 | ANA |
| +030+ | 4.45 | Jim Perry | 202 | MIN |
| +031+ | 4.45 | Ray Culp | 188 | BOS |
| +038+ | 4.16 | Mel Stottlemyre | 206.7 | NYA |
| +040+ | 3.93 | Tommy John | 213.3 | CHA |
| +041+ | 3.9 | Wayne Simpson | 173.7 | CIN |
| +043+ | 3.75 | Danny Coombs | 146.3 | SDN |
| +045+ | 3.58 | Gary Nolan | 188.3 | CIN |
| +046+ | 3.56 | Diego Segui | 122.3 | OAK |
| +051+ | 3.18 | Jim McGlothlin | 161.3 | CIN |
| +052+ | 3.14 | Andy Messersmith | 177.3 | ANA |
| +054+ | 2.99 | Ken Holtzman | 214 | CHN |
| +055+ | 2.94 | Chuck Dobson | 213 | OAK |
| +062+ | 2.75 | Dick Bosman | 163 | TEX |
| +063+ | 2.72 | Gary Gentry | 154.3 | NYN |
| +066+ | 2.67 | Pat Jarvis | 195 | ATL |
| +068+ | 2.66 | Jerry Koosman | 142.3 | NYN |
| +075+ | 2.53 | Gaylord Perry | 252.3 | SFN |
| +081+ | 2.39 | Stan Bahnsen | 180 | NYA |
| +085+ | 2.35 | Tom Hall | 93.3 | MIN |
| +086+ | 2.34 | Bill Zepp | 100 | MIN |
| +090+ | 2.17 | Claude Osteen | 205 | LAN |
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