| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Perry | MIN | 6.05 | 197006210_MIN_KCA |
| Jerry Koosman | NYN | 5.88 | 197006200_PHI_NYN |
| Bob Gibson | SLN | 3.87 | 197006212_SLN_CHN |
| Mel Stottlemyre | NYA | 3.79 | 197006200_NYA_BOS |
| Bill Hands | CHN | 3.62 | 197006200_SLN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -3.91 | 197006210_NYA_BOS |
| Bill Stoneman | WAS | -2.91 | 197006221_WAS_PHI |
| Lew Krausse | MIL | -2.91 | 197006200_MIL_ANA |
| Clay Kirby | SDN | -2.28 | 197006200_SFN_SDN |
| Rich Robertson | SFN | -2.25 | 197006220_SFN_CIN |
Based on accumulated WAA for this season up to 1970-06-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 4.84 | Tom Seaver | 136 | NYN |
| +007+ | 4.63 | Sam McDowell | 137.3 | CLE |
| +009+ | 4.19 | Wayne Simpson | 113 | CIN |
| +013+ | 3.85 | Jim McGlothlin | 109.3 | CIN |
| +019+ | 3.46 | Danny Coombs | 79 | SDN |
| +021+ | 3.39 | Jim Palmer | 120 | BAL |
| +022+ | 3.27 | Jim Perry | 111.7 | MIN |
| +029+ | 2.8 | Ray Culp | 103 | BOS |
| +031+ | 2.61 | Jerry Koosman | 74.7 | NYN |
| +033+ | 2.51 | Steve Carlton | 107.7 | SLN |
| +035+ | 2.47 | Claude Osteen | 130.3 | LAN |
| +036+ | 2.44 | Rudy May | 104 | ANA |
| +040+ | 2.32 | Tom Phoebus | 78.3 | BAL |
| +041+ | 2.31 | Jim Hunter | 122.7 | OAK |
| +043+ | 2.23 | Andy Messersmith | 113.3 | ANA |
| +045+ | 2.14 | Mel Stottlemyre | 119 | NYA |
| +047+ | 2.12 | Bill Hands | 116.3 | CHN |
| +049+ | 2.11 | Clyde Wright | 107.3 | ANA |
| +053+ | 2.05 | Don Sutton | 128 | LAN |
| +054+ | 2.04 | Eddie Fisher | 48.3 | ANA |
| +056+ | 1.96 | Bob Veale | 110 | PIT |
| +058+ | 1.91 | Chuck Taylor | 50.7 | SLN |
| +057+ | 1.91 | Jim Nelson | 23 | PIT |
| +059+ | 1.9 | Pat Jarvis | 111.7 | ATL |
| +068+ | 1.74 | Ken Holtzman | 121.3 | CHN |
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