| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 14.23 | 197008100_NYN_PIT |
| Jim Perry | MIN | 4.43 | 197008110_MIN_TEX |
| Mel Stottlemyre | NYA | 3.66 | 197008110_CHA_NYA |
| Andy Messersmith | ANA | 2.96 | 197008110_BAL_ANA |
| Bob Gibson | SLN | 2.24 | 197008120_SDN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -4.43 | 197008110_SFN_CHN |
| Nelson Briles | SLN | -2.79 | 197008110_SDN_SLN |
| Grant Jackson | PHI | -1.52 | 197008120_PHI_HOU |
| Jerry Janeski | CHA | -1.41 | 197008110_CHA_NYA |
| Tony Cloninger | CIN | -1.37 | 197008120_NYN_CIN |
Based on accumulated WAA for this season up to 1970-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.03 | Tom Seaver | 223.3 | NYN |
| +012+ | 6.12 | Sam McDowell | 222.7 | CLE |
| +015+ | 5.56 | Jim Palmer | 205.7 | BAL |
| +028+ | 4.29 | Jim Perry | 196.3 | MIN |
| +031+ | 4.17 | Mel Stottlemyre | 199.7 | NYA |
| +033+ | 4.01 | Danny Coombs | 142.7 | SDN |
| +035+ | 3.94 | Tommy John | 207.3 | CHA |
| +038+ | 3.85 | Ray Culp | 179 | BOS |
| +040+ | 3.72 | Wayne Simpson | 170.7 | CIN |
| +041+ | 3.71 | Diego Segui | 117 | OAK |
| +043+ | 3.6 | Clyde Wright | 177.7 | ANA |
| +047+ | 3.42 | Gary Nolan | 181 | CIN |
| +050+ | 3.27 | Jim McGlothlin | 161.3 | CIN |
| +053+ | 3.12 | Tom Hall | 86 | MIN |
| +055+ | 2.91 | Andy Messersmith | 174.7 | ANA |
| +056+ | 2.86 | Bob Gibson | 211.7 | SLN |
| +060+ | 2.71 | Pat Jarvis | 188.3 | ATL |
| +064+ | 2.61 | Ken Holtzman | 205 | CHN |
| +069+ | 2.52 | Jerry Koosman | 136.3 | NYN |
| +070+ | 2.51 | Dick Bosman | 148.7 | TEX |
| +072+ | 2.5 | Bob Johnson | 144.3 | KCA |
| +073+ | 2.45 | Claude Osteen | 197 | LAN |
| +078+ | 2.39 | Bill Zepp | 94 | MIN |
| +087+ | 2.2 | Chuck Taylor | 99.3 | SLN |
| +090+ | 2.17 | Chuck Dobson | 197.7 | OAK |
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