| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmy Key | TOR | 8.83 | 198709200_TOR_NYA |
| Roger Clemens | BOS | 4.6 | 198709201_BOS_BAL |
| Charlie Leibrandt | KCA | 3.93 | 198709220_KCA_SEA |
| Mike Dunne | PIT | 3.25 | 198709220_PIT_WAS |
| Jack Morris | DET | 3.04 | 198709200_MIL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Schrom | CLE | -4.43 | 198709210_OAK_CLE |
| Al Nipper | BOS | -3.08 | 198709210_DET_BOS |
| Greg Maddux | CHN | -2.58 | 198709200_CHN_SLN |
| Eric Bell | BAL | -2.44 | 198709202_BOS_BAL |
| Scott Bankhead | SEA | -1.96 | 198709220_KCA_SEA |
Based on accumulated WAA for this season up to 1987-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.87 | Orel Hershiser | 245.3 | LAN |
| +004+ | 8.5 | Jimmy Key | 239.7 | TOR |
| +005+ | 8.35 | Rick Reuschel | 218 | TOT |
| +007+ | 7.64 | Frank Viola | 238.3 | MIN |
| +008+ | 7.51 | Nolan Ryan | 191.7 | HOU |
| +010+ | 6.72 | Roger Clemens | 255 | BOS |
| +017+ | 6.07 | Charlie Leibrandt | 232 | KCA |
| +018+ | 5.83 | Bret Saberhagen | 242 | KCA |
| +021+ | 5.46 | Mike Scott | 234 | HOU |
| +022+ | 5.37 | Mike Dunne | 152 | PIT |
| +029+ | 5.03 | Dwight Gooden | 168.3 | NYN |
| +033+ | 4.76 | Jack Morris | 234 | DET |
| +036+ | 4.57 | Doyle Alexander | 179.7 | TOT |
| +038+ | 4.53 | Bob Welch | 233.3 | LAN |
| +044+ | 4.16 | Dave Dravecky | 182.7 | TOT |
| +049+ | 3.88 | Rick Sutcliffe | 224.7 | CHN |
| +053+ | 3.67 | Mark Langston | 254 | SEA |
| +060+ | 3.44 | Dave Stewart | 242 | OAK |
| +065+ | 3.29 | Atlee Hammaker | 159 | SFN |
| +068+ | 3.13 | Danny Darwin | 183.7 | HOU |
| +069+ | 3.11 | Charlie Hough | 262.3 | TEX |
| +071+ | 3.08 | Jim Clancy | 223.3 | TOR |
| +079+ | 2.86 | Teddy Higuera | 246.3 | MIL |
| +091+ | 2.58 | Willie Fraser | 169.7 | ANA |
| +096+ | 2.51 | Eric Show | 198.7 | SDN |
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