| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmy Key | TOR | 6.36 | 198709060_SEA_TOR |
| Rick Reuschel | SFN | 5.64 | 198709060_PHI_SFN |
| Frank Viola | MIN | 4.99 | 198709040_MIL_MIN |
| Nolan Ryan | HOU | 4.07 | 198709040_PIT_HOU |
| Roger Clemens | BOS | 4.01 | 198709040_CLE_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Steve Carlton | MIN | -4.83 | 198709060_MIL_MIN |
| Tom Browning | CIN | -4.79 | 198709040_CIN_CHN |
| Bob Knepper | HOU | -2.8 | 198709050_PIT_HOU |
| Juan Nieves | MIL | -2.16 | 198709050_MIL_MIN |
| Darrel Akerfelds | CLE | -2 | 198709060_CLE_BOS |
Based on accumulated WAA for this season up to 1987-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.31 | Orel Hershiser | 222 | LAN |
| +006+ | 7.13 | Charlie Leibrandt | 209 | KCA |
| +007+ | 7.11 | Jimmy Key | 219.7 | TOR |
| +008+ | 6.92 | Rick Reuschel | 200 | TOT |
| +009+ | 6.78 | Frank Viola | 217 | MIN |
| +010+ | 6.28 | Mike Scott | 208.7 | HOU |
| +013+ | 5.97 | Nolan Ryan | 168 | HOU |
| +017+ | 5.45 | Roger Clemens | 230.3 | BOS |
| +019+ | 5.18 | Bob Welch | 211.7 | LAN |
| +022+ | 5.01 | Bret Saberhagen | 217 | KCA |
| +023+ | 4.97 | Mike Dunne | 132.3 | PIT |
| +025+ | 4.72 | Dwight Gooden | 141.7 | NYN |
| +034+ | 4.27 | Jack Morris | 206.7 | DET |
| +037+ | 4.18 | Dave Dravecky | 166 | TOT |
| +039+ | 4.08 | Dave Stewart | 212.7 | OAK |
| +063+ | 3.12 | Atlee Hammaker | 145 | SFN |
| +068+ | 2.98 | Gene Nelson | 106.3 | OAK |
| +069+ | 2.95 | Danny Darwin | 177.7 | HOU |
| +070+ | 2.91 | Jim Clancy | 205 | TOR |
| +078+ | 2.7 | Danny Cox | 163.7 | SLN |
| +081+ | 2.63 | Rick Rhoden | 172.7 | NYA |
| +088+ | 2.58 | Dennis Martinez | 114 | WAS |
| +091+ | 2.55 | Danny Jackson | 195 | KCA |
| +092+ | 2.54 | Terry Leach | 115.7 | NYN |
| +093+ | 2.52 | Mark Langston | 230 | SEA |
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