| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.41 | 197006140_ATL_NYN |
| Jim Perry | MIN | 4.93 | 197006120_BOS_MIN |
| Claude Osteen | LAN | 3.74 | 197006130_CHN_LAN |
| Jim Palmer | BAL | 3.66 | 197006140_OAK_BAL |
| Andy Messersmith | ANA | 3.65 | 197006120_ANA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -4.49 | 197006120_BOS_MIN |
| Mike Kekich | NYA | -3.75 | 197006130_NYA_KCA |
| Clay Kirby | SDN | -2.96 | 197006140_PIT_SDN |
| Bill Stoneman | WAS | -2.32 | 197006130_HOU_WAS |
| Marty Pattin | MIL | -1.78 | 197006120_MIL_CLE |
Based on accumulated WAA for this season up to 1970-06-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 4.43 | Tom Seaver | 127 | NYN |
| +008+ | 4.05 | Wayne Simpson | 98 | CIN |
| +011+ | 3.94 | Sam McDowell | 119.3 | CLE |
| +012+ | 3.91 | Jim McGlothlin | 103.3 | CIN |
| +013+ | 3.83 | Jim Palmer | 115 | BAL |
| +017+ | 3.43 | Danny Coombs | 72 | SDN |
| +024+ | 2.84 | Jim Perry | 96 | MIN |
| +026+ | 2.7 | Andy Messersmith | 109 | ANA |
| +028+ | 2.61 | Jim Hunter | 112.7 | OAK |
| +030+ | 2.6 | Ray Culp | 96 | BOS |
| +032+ | 2.53 | Tom Phoebus | 75.7 | BAL |
| +035+ | 2.34 | Rudy May | 93.3 | ANA |
| +039+ | 2.19 | Claude Osteen | 116.3 | LAN |
| +040+ | 2.17 | Jim Merritt | 114 | CIN |
| +041+ | 2.11 | Stan Bahnsen | 95.3 | NYA |
| +043+ | 2.08 | Jerry Koosman | 66.7 | NYN |
| +047+ | 2.02 | Steve Carlton | 92 | SLN |
| +050+ | 1.94 | Carl Morton | 83.7 | WAS |
| +051+ | 1.92 | Joe Moeller | 33.3 | LAN |
| +055+ | 1.83 | Bill Hands | 100.3 | CHN |
| +057+ | 1.79 | Jim Bunning | 83 | PHI |
| +061+ | 1.71 | Joe Coleman | 91.3 | TEX |
| +062+ | 1.69 | Eddie Fisher | 44.3 | ANA |
| +063+ | 1.68 | Chuck Taylor | 43 | SLN |
| +065+ | 1.6 | Bob Johnson | 65.3 | KCA |
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