| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 10.23 | 197006090_NYN_HOU |
| Andy Messersmith | ANA | 4.58 | 197006070_CLE_ANA |
| Claude Osteen | LAN | 4.17 | 197006090_SLN_LAN |
| Bob Gibson | SLN | 3.24 | 197006070_SDN_SLN |
| Phil Niekro | ATL | 2.98 | 197006070_WAS_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -4.89 | 197006072_KCA_BOS |
| Clay Kirby | SDN | -2.02 | 197006090_CHN_SDN |
| Lew Krausse | MIL | -1.78 | 197006080_CHA_MIL |
| Rich Robertson | SFN | -1.32 | 197006070_SFN_CHN |
| Dave Boswell | MIN | -1.21 | 197006070_MIN_TEX |
Based on accumulated WAA for this season up to 1970-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 4.64 | Tom Seaver | 118 | NYN |
| +007+ | 4.17 | Sam McDowell | 112.3 | CLE |
| +012+ | 3.41 | Claude Osteen | 113 | LAN |
| +013+ | 3.25 | Jim Hunter | 107.3 | OAK |
| +016+ | 3.2 | Wayne Simpson | 89 | CIN |
| +017+ | 3.11 | Rudy May | 88.7 | ANA |
| +020+ | 2.82 | Danny Coombs | 63 | SDN |
| +021+ | 2.78 | Jim Palmer | 96 | BAL |
| +023+ | 2.73 | Tom Phoebus | 72.7 | BAL |
| +027+ | 2.64 | Jim Merritt | 108 | CIN |
| +032+ | 2.49 | Jim Perry | 90 | MIN |
| +034+ | 2.44 | Jim McGlothlin | 85.3 | CIN |
| +035+ | 2.35 | Ray Culp | 88 | BOS |
| +036+ | 2.24 | Carl Morton | 77.7 | WAS |
| +038+ | 2.23 | Andy Messersmith | 100 | ANA |
| +041+ | 2.15 | Chuck Taylor | 39 | SLN |
| +044+ | 2.07 | Jerry Koosman | 66.7 | NYN |
| +046+ | 1.98 | Pat Jarvis | 97.3 | ATL |
| +049+ | 1.94 | Stan Bahnsen | 88.3 | NYA |
| +050+ | 1.84 | Eddie Fisher | 41.7 | ANA |
| +057+ | 1.61 | Jim Bunning | 74 | PHI |
| +059+ | 1.58 | Clyde Wright | 90.3 | ANA |
| +060+ | 1.57 | Bob Johnson | 60 | KCA |
| +061+ | 1.55 | Joe Moeller | 24.3 | LAN |
| +064+ | 1.54 | Bob Veale | 90 | PIT |
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