| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 11.63 | 197007280_MIN_CLE |
| Jerry Koosman | NYN | 4.08 | 197007290_SFN_NYN |
| Jim Perry | MIN | 3.07 | 197007300_MIN_CLE |
| Diego Segui | OAK | 2.65 | 197007290_BOS_OAK |
| Jim McGlothlin | CIN | 1.93 | 197007280_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike McCormick | NYA | -3.6 | 197007280_NYA_ANA |
| Rich Robertson | SFN | -2.32 | 197007280_SFN_NYN |
| Tom Griffin | HOU | -2.26 | 197007300_HOU_CHN |
| Dan McGinn | WAS | -1.68 | 197007300_LAN_WAS |
| Dave Boswell | MIN | -1.38 | 197007290_MIN_CLE |
Based on accumulated WAA for this season up to 1970-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.11 | Tom Seaver | 198.3 | NYN |
| +009+ | 6.33 | Sam McDowell | 203 | CLE |
| +020+ | 4.54 | Danny Coombs | 123 | SDN |
| +022+ | 4.17 | Jim Palmer | 179 | BAL |
| +023+ | 4.06 | Diego Segui | 102.7 | OAK |
| +024+ | 4.05 | Ray Culp | 166 | BOS |
| +025+ | 4.03 | Wayne Simpson | 167.7 | CIN |
| +028+ | 3.85 | Jim McGlothlin | 147.7 | CIN |
| +037+ | 3.44 | Clyde Wright | 166.7 | ANA |
| +040+ | 3.25 | Jerry Koosman | 124.3 | NYN |
| +046+ | 2.94 | Joe Niekro | 152 | DET |
| +049+ | 2.91 | Tommy John | 182.7 | CHA |
| +050+ | 2.84 | Andy Messersmith | 164.7 | ANA |
| +051+ | 2.81 | Jim Rooker | 151 | KCA |
| +052+ | 2.79 | Jim Perry | 169.3 | MIN |
| +054+ | 2.63 | Claude Osteen | 179 | LAN |
| +057+ | 2.55 | Bert Blyleven | 72.3 | MIN |
| +059+ | 2.52 | Mel Stottlemyre | 171.7 | NYA |
| +060+ | 2.51 | Stan Bahnsen | 153 | NYA |
| +062+ | 2.46 | Bill Singer | 89.3 | LAN |
| +067+ | 2.26 | Pat Jarvis | 166 | ATL |
| +068+ | 2.25 | Mickey Lolich | 176.3 | DET |
| +071+ | 2.16 | Chuck Taylor | 91.7 | SLN |
| +078+ | 2.01 | Tom Hall | 71 | MIN |
| +081+ | 1.97 | Joe Moeller | 77 | LAN |
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