| 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 |
| Claude Osteen | LAN | 4.12 | 197007180_NYN_LAN |
| Jerry Koosman | NYN | 3.42 | 197007192_NYN_SFN |
| 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 |
| Grant Jackson | PHI | -2.34 | 197007192_PHI_LAN |
| Gary Peters | BOS | -2.12 | 197007180_MIL_BOS |
Based on accumulated WAA for this season up to 1970-07-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.91 | Tom Seaver | 181.3 | NYN |
| +007+ | 5.98 | Sam McDowell | 187 | CLE |
| +016+ | 4.62 | Jim Palmer | 166.7 | BAL |
| +017+ | 4.22 | Wayne Simpson | 155.3 | CIN |
| +018+ | 4.2 | Clyde Wright | 150.7 | ANA |
| +021+ | 4.07 | Danny Coombs | 112.3 | SDN |
| +027+ | 3.9 | Claude Osteen | 169.3 | LAN |
| +028+ | 3.83 | Ray Culp | 149.7 | BOS |
| +035+ | 3.27 | Andy Messersmith | 159 | ANA |
| +038+ | 3.15 | Jim McGlothlin | 132.3 | CIN |
| +043+ | 2.85 | Joe Niekro | 138.7 | DET |
| +050+ | 2.59 | Pat Jarvis | 155.7 | ATL |
| +051+ | 2.53 | Stan Bahnsen | 141 | NYA |
| +053+ | 2.47 | Eddie Fisher | 66.7 | ANA |
| +055+ | 2.43 | Tom Hall | 62.7 | MIN |
| +057+ | 2.34 | Jim Merritt | 162.3 | CIN |
| +058+ | 2.31 | Jerry Koosman | 110.3 | NYN |
| +062+ | 2.21 | Dave Giusti | 65.7 | PIT |
| +063+ | 2.21 | Jim Rooker | 138.7 | KCA |
| +067+ | 2.08 | Diego Segui | 77.3 | OAK |
| +072+ | 1.99 | Jim Perry | 148.7 | MIN |
| +074+ | 1.98 | Don Sutton | 164.3 | LAN |
| +075+ | 1.94 | Gary Gentry | 124.7 | NYN |
| +083+ | 1.75 | Bill Zepp | 64.3 | MIN |
| +085+ | 1.73 | Bert Blyleven | 57.3 | MIN |
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