| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Viola | MIN | 4.99 | 198709040_MIL_MIN |
| Nolan Ryan | HOU | 4.07 | 198709040_PIT_HOU |
| Roger Clemens | BOS | 4.01 | 198709040_CLE_BOS |
| Dave Dravecky | SFN | 2.08 | 198709050_PHI_SFN |
| Jim Clancy | TOR | 1.41 | 198709040_SEA_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Browning | CIN | -4.79 | 198709040_CIN_CHN |
| Bob Knepper | HOU | -2.8 | 198709050_PIT_HOU |
| Mike Smithson | MIN | -2.4 | 198709050_MIL_MIN |
| Juan Nieves | MIL | -2.16 | 198709050_MIL_MIN |
| Eric Bell | BAL | -1.93 | 198709050_OAK_BAL |
Based on accumulated WAA for this season up to 1987-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.48 | Orel Hershiser | 222 | LAN |
| +006+ | 7.22 | Charlie Leibrandt | 209 | KCA |
| +007+ | 6.83 | Frank Viola | 217 | MIN |
| +008+ | 6.71 | Jimmy Key | 210.7 | TOR |
| +009+ | 6.33 | Mike Scott | 208.7 | HOU |
| +010+ | 6.29 | Rick Reuschel | 191 | TOT |
| +013+ | 6.01 | Nolan Ryan | 168 | HOU |
| +016+ | 5.5 | Roger Clemens | 230.3 | BOS |
| +019+ | 5.19 | Bret Saberhagen | 209.7 | KCA |
| +022+ | 4.92 | Bob Welch | 205.3 | LAN |
| +023+ | 4.82 | Dwight Gooden | 141.7 | NYN |
| +029+ | 4.47 | Mike Dunne | 125 | PIT |
| +032+ | 4.3 | Jack Morris | 206.7 | DET |
| +037+ | 4.21 | Dave Dravecky | 166 | TOT |
| +039+ | 4.09 | Dave Stewart | 212.7 | OAK |
| +060+ | 3.15 | Atlee Hammaker | 145 | SFN |
| +066+ | 2.99 | Danny Darwin | 177.7 | HOU |
| +067+ | 2.99 | Gene Nelson | 106.3 | OAK |
| +068+ | 2.99 | Jim Clancy | 205 | TOR |
| +076+ | 2.73 | Danny Cox | 163.7 | SLN |
| +080+ | 2.67 | Rick Rhoden | 172.7 | NYA |
| +082+ | 2.63 | Danny Jackson | 195 | KCA |
| +083+ | 2.61 | Mark Langston | 230 | SEA |
| +085+ | 2.6 | Dennis Martinez | 114 | WAS |
| +092+ | 2.52 | Eric Nolte | 43.3 | SDN |
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