| Starter | Tm | Tier | Game |
|---|---|---|---|
| Orel Hershiser | LAN | 10.14 | 198709130_LAN_ATL |
| Charlie Leibrandt | KCA | 7.67 | 198709120_KCA_OAK |
| Jimmy Key | TOR | 7.27 | 198709120_NYA_TOR |
| Rick Reuschel | SFN | 6.88 | 198709120_SFN_CIN |
| Mike Scott | HOU | 6.29 | 198709110_HOU_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Browning | CIN | -3.44 | 198709130_SFN_CIN |
| Jerry Reuss | ANA | -2.08 | 198709130_TEX_ANA |
| Mike Smithson | MIN | -1.77 | 198709110_MIN_CLE |
| Jeff Ballard | BAL | -1.61 | 198709120_BAL_BOS |
| Darrel Akerfelds | CLE | -1.55 | 198709120_MIN_CLE |
Based on accumulated WAA for this season up to 1987-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.61 | Orel Hershiser | 236 | LAN |
| +004+ | 7.72 | Jimmy Key | 227.7 | TOR |
| +006+ | 7.6 | Rick Reuschel | 209 | TOT |
| +008+ | 7.43 | Frank Viola | 226 | MIN |
| +009+ | 6.96 | Charlie Leibrandt | 221.7 | KCA |
| +010+ | 6.4 | Nolan Ryan | 176 | HOU |
| +015+ | 5.93 | Bret Saberhagen | 226 | KCA |
| +018+ | 5.73 | Roger Clemens | 239.3 | BOS |
| +020+ | 5.55 | Mike Scott | 219.7 | HOU |
| +026+ | 4.81 | Mike Dunne | 139 | PIT |
| +035+ | 4.12 | Bob Welch | 218.3 | LAN |
| +045+ | 3.74 | Dave Stewart | 226 | OAK |
| +047+ | 3.68 | Jack Morris | 219 | DET |
| +050+ | 3.58 | Dave Dravecky | 168 | TOT |
| +052+ | 3.48 | Dwight Gooden | 150.3 | NYN |
| +054+ | 3.41 | Doyle Alexander | 164.3 | TOT |
| +065+ | 3 | Danny Darwin | 177.7 | HOU |
| +068+ | 2.93 | Jim Clancy | 211.3 | TOR |
| +073+ | 2.84 | Danny Jackson | 202 | KCA |
| +076+ | 2.79 | Mark Langston | 245 | SEA |
| +083+ | 2.63 | Rick Sutcliffe | 206.7 | CHN |
| +084+ | 2.61 | Dennis Martinez | 120.3 | WAS |
| +087+ | 2.53 | Atlee Hammaker | 147 | SFN |
| +090+ | 2.49 | Teddy Higuera | 230.3 | MIL |
| +092+ | 2.45 | Terry Leach | 119 | NYN |
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