| Starter | Tm | Tier | Game |
|---|---|---|---|
| Orel Hershiser | LAN | 11.08 | 198709020_PHI_LAN |
| Charlie Leibrandt | KCA | 7.31 | 198709020_MIL_KCA |
| Jimmy Key | TOR | 6.67 | 198709010_ANA_TOR |
| Rick Reuschel | SFN | 5.46 | 198709010_WAS_SFN |
| Mike Scott | HOU | 5.23 | 198709020_CHN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Sellers | BOS | -2.62 | 198709010_BOS_MIN |
| Scott Bankhead | SEA | -2.24 | 198709010_SEA_BAL |
| Darrel Akerfelds | CLE | -2.05 | 198709010_CLE_DET |
| Jamie Moyer | CHN | -1.55 | 198709010_CHN_HOU |
| Jerry Reuss | ANA | -1.45 | 198709020_ANA_TOR |
Based on accumulated WAA for this season up to 1987-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.55 | Orel Hershiser | 222 | LAN |
| +006+ | 7.29 | Charlie Leibrandt | 209 | KCA |
| +007+ | 6.78 | Jimmy Key | 210.7 | TOR |
| +008+ | 6.38 | Mike Scott | 208.7 | HOU |
| +010+ | 6.36 | Frank Viola | 209 | MIN |
| +011+ | 6.31 | Rick Reuschel | 191 | TOT |
| +015+ | 5.35 | Nolan Ryan | 161 | HOU |
| +016+ | 5.26 | Bret Saberhagen | 209.7 | KCA |
| +019+ | 5.19 | Roger Clemens | 222.3 | BOS |
| +021+ | 4.97 | Bob Welch | 205.3 | LAN |
| +023+ | 4.86 | Dwight Gooden | 141.7 | NYN |
| +030+ | 4.49 | Mike Dunne | 125 | PIT |
| +034+ | 4.36 | Jack Morris | 206.7 | DET |
| +036+ | 4.13 | Dave Stewart | 212.7 | OAK |
| +038+ | 3.94 | Dave Dravecky | 160.7 | TOT |
| +056+ | 3.29 | Jim Clancy | 199 | TOR |
| +058+ | 3.28 | Gene Nelson | 100.7 | OAK |
| +064+ | 3.04 | Danny Darwin | 177.7 | HOU |
| +068+ | 2.92 | Atlee Hammaker | 138 | SFN |
| +073+ | 2.77 | Danny Cox | 163.7 | SLN |
| +075+ | 2.72 | Rick Rhoden | 172.7 | NYA |
| +078+ | 2.66 | Mark Langston | 230 | SEA |
| +082+ | 2.57 | Zane Smith | 211.7 | ATL |
| +091+ | 2.48 | Shane Rawley | 194 | PHI |
| +094+ | 2.45 | Terry Leach | 113.7 | NYN |
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