| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 9.19 | 197009170_DET_CLE |
| Tom Seaver | NYN | 8.93 | 197009160_NYN_WAS |
| Jim Palmer | BAL | 7.35 | 197009160_BAL_TEX |
| Jim Perry | MIN | 4.22 | 197009170_ANA_MIN |
| Clyde Wright | ANA | 3.24 | 197009160_ANA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rich Robertson | SFN | -3.71 | 197009170_SFN_SDN |
| Lew Krausse | MIL | -1.31 | 197009160_OAK_MIL |
| Casey Cox | TEX | -1.1 | 197009150_BAL_TEX |
| Jerry Reuss | SLN | -0.74 | 197009170_SLN_CHN |
| Mike Nagy | BOS | -0.73 | 197009152_BOS_NYA |
Based on accumulated WAA for this season up to 1970-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 8.5 | Sam McDowell | 292.3 | CLE |
| +009+ | 7.88 | Tom Seaver | 281 | NYN |
| +013+ | 7.24 | Jim Palmer | 279.3 | BAL |
| +025+ | 5.46 | Jim Perry | 256.7 | MIN |
| +027+ | 5.31 | Clyde Wright | 236.7 | ANA |
| +032+ | 5.15 | Diego Segui | 158.7 | OAK |
| +034+ | 4.78 | Dick Bosman | 212.7 | TEX |
| +035+ | 4.77 | Bob Gibson | 277 | SLN |
| +038+ | 4.69 | Fritz Peterson | 234 | NYA |
| +046+ | 4.4 | Gary Nolan | 237.7 | CIN |
| +047+ | 4.39 | Tom Hall | 132.7 | MIN |
| +049+ | 4.25 | Gaylord Perry | 298.7 | SFN |
| +053+ | 4.06 | Tommy John | 246.3 | CHA |
| +054+ | 3.99 | Ray Culp | 233.3 | BOS |
| +058+ | 3.84 | Dave McNally | 272 | BAL |
| +059+ | 3.82 | Mel Stottlemyre | 254.7 | NYA |
| +061+ | 3.78 | Wayne Simpson | 176 | CIN |
| +069+ | 3.4 | Stan Bahnsen | 219.7 | NYA |
| +073+ | 3.19 | Bob Johnson | 191 | KCA |
| +074+ | 3.15 | Ken Holtzman | 261.7 | CHN |
| +081+ | 2.73 | Eddie Fisher | 120.3 | ANA |
| +083+ | 2.71 | Ferguson Jenkins | 277.3 | CHN |
| +084+ | 2.7 | Steve Hargan | 116.7 | CLE |
| +086+ | 2.66 | Marty Pattin | 209.7 | MIL |
| +089+ | 2.59 | Milt Pappas | 162 | TOT |
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