| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 8.27 | 197008130_CLE_OAK |
| Jim Palmer | BAL | 6.03 | 197008130_BAL_ANA |
| Ray Culp | BOS | 2.64 | 197008140_MIN_BOS |
| Tommy John | CHA | 2.44 | 197008140_CHA_TEX |
| Danny Coombs | SDN | 2.24 | 197008120_SDN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike McCormick | NYA | -5.36 | 197008130_CHA_NYA |
| Skip Lockwood | MIL | -2.38 | 197008140_CLE_MIL |
| Steve Renko | WAS | -1.65 | 197008140_WAS_HOU |
| Grant Jackson | PHI | -1.52 | 197008120_PHI_HOU |
| Tony Cloninger | CIN | -1.37 | 197008120_NYN_CIN |
Based on accumulated WAA for this season up to 1970-08-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.03 | Tom Seaver | 223.3 | NYN |
| +009+ | 6.87 | Sam McDowell | 231.7 | CLE |
| +015+ | 5.78 | Jim Palmer | 212.7 | BAL |
| +027+ | 4.43 | Ray Culp | 188 | BOS |
| +030+ | 4.29 | Jim Perry | 196.3 | MIN |
| +032+ | 4.12 | Mel Stottlemyre | 199.7 | NYA |
| +035+ | 4 | Danny Coombs | 142.7 | SDN |
| +037+ | 3.96 | Wayne Simpson | 173.7 | CIN |
| +038+ | 3.9 | Clyde Wright | 183.7 | ANA |
| +041+ | 3.84 | Tommy John | 213.3 | CHA |
| +044+ | 3.69 | Diego Segui | 117 | OAK |
| +048+ | 3.38 | Gary Nolan | 181 | CIN |
| +051+ | 3.3 | Dick Bosman | 157.7 | TEX |
| +052+ | 3.23 | Jim McGlothlin | 161.3 | CIN |
| +054+ | 3.12 | Andy Messersmith | 177.3 | ANA |
| +056+ | 2.81 | Chuck Dobson | 205 | OAK |
| +061+ | 2.73 | Bob Gibson | 211.7 | SLN |
| +064+ | 2.66 | Pat Jarvis | 195 | ATL |
| +065+ | 2.65 | Jerry Koosman | 142.3 | NYN |
| +069+ | 2.56 | Ken Holtzman | 205 | CHN |
| +074+ | 2.47 | Bob Johnson | 144.3 | KCA |
| +076+ | 2.41 | Claude Osteen | 197 | LAN |
| +078+ | 2.4 | Tom Hall | 87.3 | MIN |
| +081+ | 2.31 | Bill Zepp | 100 | MIN |
| +089+ | 2.08 | Gary Gentry | 145.3 | NYN |
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