| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bret Saberhagen | KCA | 9.05 | 198707110_KCA_TOR |
| Jimmy Key | TOR | 6.57 | 198707160_TOR_MIN |
| Dwight Gooden | NYN | 3.89 | 198707160_CIN_NYN |
| Mike Witt | ANA | 2.92 | 198707120_DET_ANA |
| Roger Clemens | BOS | 2.52 | 198707110_BOS_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Schrom | CLE | -2.85 | 198707120_CLE_TEX |
| Al Nipper | BOS | -2.28 | 198707120_BOS_SEA |
| Juan Nieves | MIL | -1.66 | 198707120_MIL_OAK |
| Bob Kipper | PIT | -1.41 | 198707160_PIT_LAN |
| Bob Knepper | HOU | -1.17 | 198707120_NYN_HOU |
Based on accumulated WAA for this season up to 1987-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.93 | Bret Saberhagen | 149.7 | KCA |
| +004+ | 6.6 | Orel Hershiser | 145 | LAN |
| +005+ | 6.21 | Rick Reuschel | 131.7 | PIT |
| +006+ | 5.25 | Jimmy Key | 153.7 | TOR |
| +008+ | 5.07 | Mike Scott | 137 | HOU |
| +009+ | 4.79 | Frank Viola | 140.3 | MIN |
| +012+ | 4.6 | Charlie Leibrandt | 137.3 | KCA |
| +013+ | 4.57 | Jim Clancy | 138.7 | TOR |
| +018+ | 3.84 | Mike Boddicker | 146 | BAL |
| +020+ | 3.54 | Terry Leach | 77.7 | NYN |
| +028+ | 3.08 | Dwight Gooden | 67 | NYN |
| +029+ | 3.03 | Nolan Ryan | 110.7 | HOU |
| +031+ | 3.02 | Mike Witt | 133.3 | ANA |
| +046+ | 2.66 | Dave Schmidt | 90.7 | BAL |
| +050+ | 2.53 | Buddy Black | 54.7 | KCA |
| +053+ | 2.49 | Rick Sutcliffe | 127.3 | CHN |
| +055+ | 2.45 | Steve Ontiveros | 67.3 | OAK |
| +057+ | 2.42 | Danny Darwin | 125.3 | HOU |
| +059+ | 2.39 | Bob Welch | 134.7 | LAN |
| +061+ | 2.34 | Sid Fernandez | 107 | NYN |
| +065+ | 2.28 | Steve Trout | 75 | CHN |
| +064+ | 2.28 | Frank Tanana | 126 | DET |
| +066+ | 2.26 | Dave Stewart | 137.7 | OAK |
| +067+ | 2.25 | Juan Berenguer | 81 | MIN |
| +068+ | 2.21 | Roger Clemens | 153.3 | BOS |
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