| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 10.49 | 197007110_BOS_CLE |
| Jim Palmer | BAL | 5.42 | 197007100_BAL_DET |
| Jerry Koosman | NYN | 5.31 | 197007100_WAS_NYN |
| Andy Messersmith | ANA | 4.57 | 197007100_MIN_ANA |
| Bob Gibson | SLN | 4.1 | 197007100_PIT_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clay Kirby | SDN | -3.44 | 197007120_LAN_SDN |
| Tony Cloninger | CIN | -3.17 | 197007102_CIN_ATL |
| Gary Peters | BOS | -3.06 | 197007100_BOS_CLE |
| Rich Robertson | SFN | -2.91 | 197007110_SFN_HOU |
| Grant Jackson | PHI | -2.5 | 197007100_PHI_CHN |
Based on accumulated WAA for this season up to 1970-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.17 | Tom Seaver | 172.3 | NYN |
| +008+ | 5.46 | Sam McDowell | 178 | CLE |
| +016+ | 4.42 | Wayne Simpson | 147.3 | CIN |
| +017+ | 4.32 | Jim Palmer | 157.7 | BAL |
| +018+ | 4.04 | Andy Messersmith | 148.3 | ANA |
| +020+ | 3.96 | Ray Culp | 140.7 | BOS |
| +025+ | 3.71 | Danny Coombs | 105.3 | SDN |
| +028+ | 3.64 | Claude Osteen | 163 | LAN |
| +029+ | 3.56 | Jim McGlothlin | 129 | CIN |
| +033+ | 3.43 | Clyde Wright | 141.7 | ANA |
| +043+ | 2.64 | Tom Hall | 57.7 | MIN |
| +048+ | 2.44 | Pat Jarvis | 146.7 | ATL |
| +051+ | 2.4 | Eddie Fisher | 65.7 | ANA |
| +053+ | 2.39 | George Stone | 128 | ATL |
| +055+ | 2.24 | Tom Phoebus | 82 | BAL |
| +058+ | 2.19 | Joe Niekro | 130.7 | DET |
| +059+ | 2.17 | Stan Bahnsen | 134 | NYA |
| +064+ | 2.1 | Jim Hunter | 159.3 | OAK |
| +063+ | 2.1 | Jim Perry | 142 | MIN |
| +065+ | 2.06 | Dave Giusti | 58.7 | PIT |
| +068+ | 2 | Gary Gentry | 124.7 | NYN |
| +071+ | 1.96 | Bill Zepp | 59.3 | MIN |
| +070+ | 1.96 | Diego Segui | 71.3 | OAK |
| +073+ | 1.91 | Jim Rooker | 125.3 | KCA |
| +077+ | 1.9 | Jerry Koosman | 103 | NYN |
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