| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmy Key | TOR | 6.51 | 198707310_CLE_TOR |
| Bret Saberhagen | KCA | 6.44 | 198707310_BOS_KCA |
| Dwight Gooden | NYN | 4.04 | 198707300_NYN_SLN |
| Roger Clemens | BOS | 3.58 | 198707310_BOS_KCA |
| Jack Morris | DET | 2.46 | 198707290_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Phil Niekro | CLE | -3.32 | 198707310_CLE_TOR |
| Mike Smithson | MIN | -2.57 | 198707290_MIN_SEA |
| Bob Knepper | HOU | -1.82 | 198707300_HOU_ATL |
| Jerry Reuss | ANA | -1.42 | 198707310_SEA_ANA |
| Mike Krukow | SFN | -1.31 | 198707290_SFN_LAN |
Based on accumulated WAA for this season up to 1987-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.14 | Orel Hershiser | 168.3 | LAN |
| +004+ | 7.06 | Rick Reuschel | 152.7 | PIT |
| +005+ | 6.03 | Charlie Leibrandt | 155.3 | KCA |
| +006+ | 5.99 | Jimmy Key | 177.7 | TOR |
| +007+ | 5.87 | Bret Saberhagen | 168 | KCA |
| +008+ | 5.86 | Frank Viola | 163.3 | MIN |
| +010+ | 5.65 | Mike Scott | 157 | HOU |
| +013+ | 4.87 | Roger Clemens | 180.3 | BOS |
| +020+ | 3.69 | Jim Clancy | 157 | TOR |
| +024+ | 3.61 | Rick Sutcliffe | 150.7 | CHN |
| +026+ | 3.53 | Dwight Gooden | 90.7 | NYN |
| +027+ | 3.49 | Nolan Ryan | 123.3 | HOU |
| +030+ | 3.4 | Terry Leach | 79 | NYN |
| +033+ | 3.3 | Danny Darwin | 146.3 | HOU |
| +038+ | 3.17 | Dave Schmidt | 108.3 | BAL |
| +040+ | 3.15 | Frank Tanana | 146.7 | DET |
| +041+ | 3.12 | Bob Welch | 157.7 | LAN |
| +045+ | 3.05 | Ron Guidry | 78.3 | NYA |
| +046+ | 3.01 | Mike Boddicker | 148.3 | BAL |
| +048+ | 2.98 | Dave Stewart | 153.7 | OAK |
| +057+ | 2.82 | Rick Rhoden | 138.7 | NYA |
| +063+ | 2.67 | Sid Fernandez | 125.7 | NYN |
| +073+ | 2.46 | Mark Gubicza | 149.3 | KCA |
| +075+ | 2.44 | Juan Berenguer | 83 | MIN |
| +078+ | 2.39 | Mike Witt | 152 | ANA |
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