| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 10.49 | 197007110_BOS_CLE |
| Andy Messersmith | ANA | 6.16 | 197007160_ANA_TEX |
| Jim Perry | MIN | 4.08 | 197007120_MIN_ANA |
| Claude Osteen | LAN | 3.67 | 197007110_LAN_SDN |
| Wayne Simpson | CIN | 3.57 | 197007120_CIN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clay Kirby | SDN | -3.44 | 197007120_LAN_SDN |
| Rich Robertson | SFN | -2.91 | 197007110_SFN_HOU |
| Gene Brabender | MIL | -2.23 | 197007110_MIL_OAK |
| Chuck Dobson | OAK | -1.28 | 197007121_MIL_OAK |
| Mike Wegener | WAS | -0.71 | 197007110_WAS_NYN |
Based on accumulated WAA for this season up to 1970-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.16 | Tom Seaver | 172.3 | NYN |
| +008+ | 5.43 | Sam McDowell | 178 | CLE |
| +016+ | 4.4 | Wayne Simpson | 147.3 | CIN |
| +017+ | 4.3 | Jim Palmer | 157.7 | BAL |
| +018+ | 4.03 | Andy Messersmith | 153 | ANA |
| +020+ | 3.92 | Ray Culp | 140.7 | BOS |
| +024+ | 3.69 | Danny Coombs | 105.3 | SDN |
| +027+ | 3.62 | Claude Osteen | 163 | LAN |
| +030+ | 3.54 | Jim McGlothlin | 129 | CIN |
| +034+ | 3.42 | Clyde Wright | 141.7 | ANA |
| +045+ | 2.62 | Pat Jarvis | 155.7 | ATL |
| +047+ | 2.58 | Stan Bahnsen | 141 | NYA |
| +049+ | 2.48 | Tom Hall | 62.7 | MIN |
| +051+ | 2.39 | Eddie Fisher | 65.7 | ANA |
| +052+ | 2.37 | George Stone | 128 | ATL |
| +058+ | 2.23 | Tom Phoebus | 82 | BAL |
| +059+ | 2.17 | Joe Niekro | 130.7 | DET |
| +065+ | 2.1 | Jim Perry | 142 | MIN |
| +066+ | 2.09 | Jim Hunter | 159.3 | OAK |
| +067+ | 2.09 | Diego Segui | 77.3 | OAK |
| +068+ | 2.05 | Dave Giusti | 58.7 | PIT |
| +070+ | 2 | Gary Gentry | 124.7 | NYN |
| +072+ | 1.96 | Bill Zepp | 59.3 | MIN |
| +076+ | 1.9 | Jerry Koosman | 103 | NYN |
| +078+ | 1.84 | Bert Blyleven | 51.3 | MIN |
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