| Starter | Tm | Tier | Game |
|---|---|---|---|
| Greg Maddux | CHN | -2.98 | 198709240_PHI_CHN |
| Jerry Reuss | ANA | -1.97 | 198709230_CHA_ANA |
| Scott Bankhead | SEA | -1.96 | 198709220_KCA_SEA |
| Jeff Ballard | BAL | -1.92 | 198709220_TOR_BAL |
| Bob Knepper | HOU | -1.89 | 198709220_HOU_ATL |
Based on accumulated WAA for this season up to 1987-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.48 | Jimmy Key | 239.7 | TOR |
| +004+ | 8.43 | Frank Viola | 246.3 | MIN |
| +005+ | 8.24 | Orel Hershiser | 251.7 | LAN |
| +007+ | 7.66 | Rick Reuschel | 219.7 | TOT |
| +008+ | 7.48 | Nolan Ryan | 197.7 | HOU |
| +010+ | 6.71 | Roger Clemens | 255 | BOS |
| +015+ | 6.04 | Charlie Leibrandt | 232 | KCA |
| +018+ | 5.81 | Bret Saberhagen | 242 | KCA |
| +023+ | 5.47 | Doyle Alexander | 188.7 | TOT |
| +024+ | 5.46 | Mike Scott | 234 | HOU |
| +025+ | 5.36 | Mike Dunne | 152 | PIT |
| +030+ | 5.01 | Dwight Gooden | 168.3 | NYN |
| +034+ | 4.73 | Jack Morris | 242 | DET |
| +037+ | 4.53 | Bob Welch | 233.3 | LAN |
| +046+ | 4.13 | Dave Dravecky | 182.7 | TOT |
| +050+ | 3.82 | Rick Sutcliffe | 224.7 | CHN |
| +051+ | 3.76 | Jim Clancy | 232.3 | TOR |
| +060+ | 3.43 | Dave Stewart | 242 | OAK |
| +063+ | 3.29 | Charlie Hough | 270.3 | TEX |
| +065+ | 3.28 | Atlee Hammaker | 159 | SFN |
| +069+ | 3.13 | Danny Darwin | 183.7 | HOU |
| +080+ | 2.86 | Floyd Bannister | 216.3 | CHA |
| +081+ | 2.83 | Teddy Higuera | 246.3 | MIL |
| +083+ | 2.81 | Dennis Martinez | 137.7 | WAS |
| +084+ | 2.78 | Mark Langston | 260 | SEA |
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