| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 11.72 | 197005290_HOU_NYN |
| Sam McDowell | CLE | 9.95 | 197005290_CLE_OAK |
| Jim Perry | MIN | 4.31 | 197005290_NYA_MIN |
| Claude Osteen | LAN | 3.62 | 197005300_LAN_SLN |
| Mel Stottlemyre | NYA | 3.61 | 197005310_NYA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gary Peters | BOS | -4.93 | 197005310_CHA_BOS |
| Mike Kekich | NYA | -4.14 | 197005290_NYA_MIN |
| Mike McCormick | SFN | -2.31 | 197005300_SFN_PIT |
| Bill Stoneman | WAS | -2.18 | 197005300_WAS_CIN |
| Clay Kirby | SDN | -1.68 | 197005301_SDN_CHN |
Based on accumulated WAA for this season up to 1970-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 3.73 | Tom Seaver | 102 | NYN |
| +009+ | 3.3 | Sam McDowell | 98.3 | CLE |
| +014+ | 2.88 | Tom Phoebus | 67.3 | BAL |
| +015+ | 2.84 | Jim Palmer | 82.7 | BAL |
| +017+ | 2.72 | Jim Hunter | 92 | OAK |
| +018+ | 2.69 | Danny Coombs | 54.7 | SDN |
| +019+ | 2.63 | Jim McGlothlin | 78.3 | CIN |
| +021+ | 2.52 | Wayne Simpson | 72.7 | CIN |
| +023+ | 2.5 | Claude Osteen | 96 | LAN |
| +024+ | 2.47 | Jim Perry | 76 | MIN |
| +030+ | 2.21 | Rudy May | 73 | ANA |
| +031+ | 2.19 | Andy Messersmith | 84.3 | ANA |
| +034+ | 2.17 | Carl Morton | 65.7 | WAS |
| +036+ | 2.12 | Ray Culp | 74 | BOS |
| +037+ | 2.07 | Gary Gentry | 72 | NYN |
| +038+ | 2.02 | Jim Merritt | 99 | CIN |
| +040+ | 2.01 | Bill Hands | 79.3 | CHN |
| +039+ | 2.01 | Jerry Koosman | 66.7 | NYN |
| +041+ | 2 | Bob Veale | 80.3 | PIT |
| +048+ | 1.88 | Eddie Fisher | 37 | ANA |
| +065+ | 1.48 | Jim Nash | 73.3 | ATL |
| +067+ | 1.43 | Jim Bunning | 62.7 | PHI |
| +070+ | 1.35 | Mike Torrez | 66.3 | SLN |
| +074+ | 1.3 | Larry Dierker | 101.3 | HOU |
| +078+ | 1.25 | Luis Tiant | 60.7 | MIN |
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