| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 9.25 | 197009220_CLE_BOS |
| Tom Seaver | NYN | 8.77 | 197009202_PIT_NYN |
| Jim Palmer | BAL | 7.25 | 197009200_CLE_BAL |
| Jim Perry | MIN | 3.91 | 197009210_MIN_OAK |
| Clyde Wright | ANA | 3.86 | 197009200_ANA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -2.13 | 197009221_WAS_PIT |
| Jerry Janeski | CHA | -1.6 | 197009200_MIN_CHA |
| Lew Krausse | MIL | -1.39 | 197009210_ANA_MIL |
| Alan Foster | LAN | -0.8 | 197009220_SFN_LAN |
| Al Fitzmorris | KCA | -0.65 | 197009222_KCA_CHA |
Based on accumulated WAA for this season up to 1970-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +008+ | 7.88 | Jim Palmer | 288.3 | BAL |
| +011+ | 7.34 | Sam McDowell | 296.3 | CLE |
| +014+ | 7.22 | Tom Seaver | 286.3 | NYN |
| +025+ | 5.71 | Jim Perry | 264.7 | MIN |
| +026+ | 5.58 | Clyde Wright | 244.7 | ANA |
| +031+ | 5.09 | Diego Segui | 158.7 | OAK |
| +033+ | 5.02 | Fritz Peterson | 243 | NYA |
| +034+ | 4.98 | Gaylord Perry | 307.7 | SFN |
| +035+ | 4.91 | Dick Bosman | 218.7 | TEX |
| +039+ | 4.68 | Gary Nolan | 243.7 | CIN |
| +040+ | 4.68 | Bob Gibson | 277 | SLN |
| +044+ | 4.53 | Ray Culp | 242.3 | BOS |
| +050+ | 4.37 | Tom Hall | 139.7 | MIN |
| +056+ | 4.21 | Mel Stottlemyre | 262 | NYA |
| +061+ | 3.98 | Tommy John | 253.3 | CHA |
| +062+ | 3.73 | Wayne Simpson | 176 | CIN |
| +064+ | 3.68 | Dave McNally | 279 | BAL |
| +070+ | 3.3 | Bob Johnson | 197 | KCA |
| +075+ | 3.1 | Jerry Koosman | 199 | NYN |
| +079+ | 2.96 | Ken Holtzman | 269.7 | CHN |
| +080+ | 2.95 | Bert Blyleven | 154 | MIN |
| +082+ | 2.88 | Ferguson Jenkins | 287 | CHN |
| +081+ | 2.88 | Danny Coombs | 182.3 | SDN |
| +083+ | 2.86 | Ron Klimkowski | 97.3 | NYA |
| +084+ | 2.83 | Stan Bahnsen | 225.7 | NYA |
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