| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 8.77 | 197009120_NYA_CLE |
| Jim Perry | MIN | 5.39 | 197009130_CHA_MIN |
| Diego Segui | OAK | 3.41 | 197009120_OAK_KCA |
| Dick Bosman | TEX | 2.65 | 197009120_TEX_DET |
| Mel Stottlemyre | NYA | 1.74 | 197009130_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Reberger | SFN | -4.68 | 197009140_ATL_SFN |
| Bill Stoneman | WAS | -1.92 | 197009140_NYN_WAS |
| Bart Johnson | CHA | -1.46 | 197009120_CHA_MIN |
| Lowell Palmer | PHI | -1.34 | 197009120_PHI_WAS |
| Mike Kekich | NYA | -1.15 | 197009120_NYA_CLE |
Based on accumulated WAA for this season up to 1970-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 8.16 | Sam McDowell | 283.3 | CLE |
| +009+ | 7.92 | Tom Seaver | 274 | NYN |
| +014+ | 7.04 | Jim Palmer | 272.3 | BAL |
| +024+ | 5.48 | Jim Perry | 249.3 | MIN |
| +029+ | 5.17 | Diego Segui | 158.7 | OAK |
| +034+ | 4.71 | Clyde Wright | 227.7 | ANA |
| +035+ | 4.66 | Fritz Peterson | 226 | NYA |
| +043+ | 4.35 | Ray Culp | 227.7 | BOS |
| +045+ | 4.23 | Andy Messersmith | 194.7 | ANA |
| +047+ | 4.2 | Bob Gibson | 268 | SLN |
| +049+ | 4.1 | Tommy John | 246.3 | CHA |
| +050+ | 4.1 | Tom Hall | 124.7 | MIN |
| +051+ | 4.09 | Gary Nolan | 229.3 | CIN |
| +053+ | 4 | Dick Bosman | 203.7 | TEX |
| +057+ | 3.8 | Wayne Simpson | 176 | CIN |
| +060+ | 3.67 | Mel Stottlemyre | 247.7 | NYA |
| +065+ | 3.49 | Gaylord Perry | 289.7 | SFN |
| +066+ | 3.46 | Dave McNally | 263 | BAL |
| +068+ | 3.42 | Stan Bahnsen | 212.3 | NYA |
| +070+ | 3.28 | Bob Johnson | 191 | KCA |
| +074+ | 3.1 | Ken Holtzman | 253.7 | CHN |
| +076+ | 2.99 | Bill Zepp | 137.7 | MIN |
| +079+ | 2.91 | Milt Pappas | 158.3 | TOT |
| +081+ | 2.77 | Ferguson Jenkins | 277.3 | CHN |
| +082+ | 2.76 | Jerry Koosman | 180.3 | NYN |
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