| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 11.26 | 197007190_CLE_MIN |
| Andy Messersmith | ANA | 5.48 | 197007200_ANA_NYA |
| Jim Palmer | BAL | 4.99 | 197007191_BAL_CHA |
| Jerry Koosman | NYN | 3.42 | 197007192_NYN_SFN |
| Ray Culp | BOS | 2.63 | 197007190_OAK_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -4.86 | 197007192_WAS_SDN |
| Frank Reberger | SFN | -2.71 | 197007200_NYN_SFN |
| Mike Kekich | NYA | -2.59 | 197007192_ANA_NYA |
| Clay Kirby | SDN | -2.47 | 197007210_NYN_SDN |
| Grant Jackson | PHI | -2.34 | 197007192_PHI_LAN |
Based on accumulated WAA for this season up to 1970-07-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.89 | Tom Seaver | 181.3 | NYN |
| +006+ | 5.96 | Sam McDowell | 187 | CLE |
| +017+ | 4.61 | Jim Palmer | 166.7 | BAL |
| +019+ | 4.05 | Danny Coombs | 112.3 | SDN |
| +020+ | 4.01 | Clyde Wright | 155.7 | ANA |
| +025+ | 3.88 | Claude Osteen | 169.3 | LAN |
| +027+ | 3.82 | Wayne Simpson | 160.3 | CIN |
| +028+ | 3.82 | Ray Culp | 149.7 | BOS |
| +036+ | 3.26 | Andy Messersmith | 159 | ANA |
| +037+ | 3.14 | Jim McGlothlin | 132.3 | CIN |
| +043+ | 2.84 | Joe Niekro | 138.7 | DET |
| +044+ | 2.83 | Diego Segui | 85.7 | OAK |
| +048+ | 2.69 | Stan Bahnsen | 147.7 | NYA |
| +053+ | 2.46 | Eddie Fisher | 66.7 | ANA |
| +054+ | 2.43 | Tom Hall | 62.7 | MIN |
| +059+ | 2.32 | Jim Merritt | 162.3 | CIN |
| +060+ | 2.3 | Jerry Koosman | 110.3 | NYN |
| +064+ | 2.21 | Dave Giusti | 65.7 | PIT |
| +065+ | 2.19 | Jim Rooker | 138.7 | KCA |
| +066+ | 2.14 | Pat Jarvis | 160 | ATL |
| +070+ | 1.97 | Jim Perry | 148.7 | MIN |
| +074+ | 1.93 | Gary Gentry | 124.7 | NYN |
| +078+ | 1.85 | Tommy John | 173.7 | CHA |
| +082+ | 1.72 | Bert Blyleven | 57.3 | MIN |
| +084+ | 1.7 | Joe Moeller | 70.3 | LAN |
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