| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Seaver | NYN | 10.04 | 197009110_SLN_NYN |
| Sam McDowell | CLE | 8.77 | 197009120_NYA_CLE |
| Jim Palmer | BAL | 6.29 | 197009110_BOS_BAL |
| Jim Perry | MIN | 5.39 | 197009130_CHA_MIN |
| Diego Segui | OAK | 3.41 | 197009120_OAK_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Barry Moore | CHA | -3.03 | 197009110_CHA_MIN |
| Lew Krausse | MIL | -1.55 | 197009110_MIL_ANA |
| Lowell Palmer | PHI | -1.34 | 197009120_PHI_WAS |
| Mike Wegener | WAS | -1.24 | 197009130_PHI_WAS |
| Mike Kekich | NYA | -1.15 | 197009120_NYA_CLE |
Based on accumulated WAA for this season up to 1970-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 8.13 | Sam McDowell | 283.3 | CLE |
| +009+ | 7.92 | Tom Seaver | 274 | NYN |
| +014+ | 7.02 | Jim Palmer | 272.3 | BAL |
| +024+ | 5.46 | Jim Perry | 249.3 | MIN |
| +028+ | 5.16 | Diego Segui | 158.7 | OAK |
| +034+ | 4.69 | Clyde Wright | 227.7 | ANA |
| +036+ | 4.64 | Fritz Peterson | 226 | NYA |
| +043+ | 4.33 | Ray Culp | 227.7 | BOS |
| +046+ | 4.22 | Andy Messersmith | 194.7 | ANA |
| +047+ | 4.18 | Bob Gibson | 268 | SLN |
| +048+ | 4.09 | Tom Hall | 124.7 | MIN |
| +049+ | 4.09 | Tommy John | 246.3 | CHA |
| +050+ | 4.07 | Gary Nolan | 229.3 | CIN |
| +052+ | 3.99 | Dick Bosman | 203.7 | TEX |
| +056+ | 3.79 | Wayne Simpson | 176 | CIN |
| +060+ | 3.65 | Mel Stottlemyre | 247.7 | NYA |
| +065+ | 3.47 | Gaylord Perry | 289.7 | SFN |
| +067+ | 3.44 | Dave McNally | 263 | BAL |
| +068+ | 3.41 | Stan Bahnsen | 212.3 | NYA |
| +069+ | 3.26 | Bob Johnson | 191 | KCA |
| +074+ | 3.08 | Ken Holtzman | 253.7 | CHN |
| +076+ | 2.98 | Bill Zepp | 137.7 | MIN |
| +079+ | 2.9 | Milt Pappas | 158.3 | TOT |
| +081+ | 2.76 | Jerry Koosman | 180.3 | NYN |
| +082+ | 2.75 | Ferguson Jenkins | 277.3 | CHN |
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