| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Perry | MIN | 6.05 | 197006210_MIN_KCA |
| Andy Messersmith | ANA | 3.92 | 197006230_CHA_ANA |
| Bob Gibson | SLN | 3.87 | 197006212_SLN_CHN |
| Jim Palmer | BAL | 3.77 | 197006230_BAL_BOS |
| Claude Osteen | LAN | 3.37 | 197006212_LAN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -3.91 | 197006210_NYA_BOS |
| Bill Stoneman | WAS | -2.91 | 197006221_WAS_PHI |
| Gene Brabender | MIL | -2.42 | 197006220_MIN_MIL |
| Rich Robertson | SFN | -2.25 | 197006220_SFN_CIN |
| Don Wilson | HOU | -1.92 | 197006220_SDN_HOU |
Based on accumulated WAA for this season up to 1970-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 4.82 | Tom Seaver | 136 | NYN |
| +007+ | 4.63 | Sam McDowell | 137.3 | CLE |
| +009+ | 4.19 | Wayne Simpson | 113 | CIN |
| +013+ | 4 | Danny Coombs | 87 | SDN |
| +014+ | 3.85 | Jim McGlothlin | 109.3 | CIN |
| +018+ | 3.63 | Ray Culp | 112 | BOS |
| +022+ | 3.28 | Jim Perry | 111.7 | MIN |
| +027+ | 2.93 | Jim Palmer | 126.3 | BAL |
| +031+ | 2.6 | Jerry Koosman | 74.7 | NYN |
| +033+ | 2.53 | Steve Carlton | 107.7 | SLN |
| +035+ | 2.47 | Claude Osteen | 130.3 | LAN |
| +036+ | 2.44 | Rudy May | 104 | ANA |
| +039+ | 2.33 | Tom Phoebus | 78.3 | BAL |
| +041+ | 2.31 | Jim Hunter | 122.7 | OAK |
| +044+ | 2.23 | Andy Messersmith | 120.3 | ANA |
| +046+ | 2.13 | Mel Stottlemyre | 119 | NYA |
| +049+ | 2.11 | Clyde Wright | 107.3 | ANA |
| +050+ | 2.1 | Bill Hands | 116.3 | CHN |
| +052+ | 2.05 | Don Sutton | 128 | LAN |
| +053+ | 2.04 | Eddie Fisher | 48.3 | ANA |
| +058+ | 1.96 | Bob Veale | 110 | PIT |
| +059+ | 1.91 | Jim Nelson | 23 | PIT |
| +060+ | 1.89 | Pat Jarvis | 111.7 | ATL |
| +071+ | 1.72 | Ken Holtzman | 121.3 | CHN |
| +072+ | 1.71 | Woodie Fryman | 94 | PHI |
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