| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Reuschel | PIT | 9.02 | 198707220_PIT_SFN |
| Orel Hershiser | LAN | 8.97 | 198707230_SLN_LAN |
| Mike Scott | HOU | 7.89 | 198707220_HOU_WAS |
| Jimmy Key | TOR | 6.61 | 198707210_TOR_TEX |
| Charlie Leibrandt | KCA | 5.11 | 198707210_CLE_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Dixon | BAL | -3.59 | 198707210_BAL_CHA |
| Tom Browning | CIN | -3.15 | 198707220_CIN_PHI |
| Ed Whitson | SDN | -1.82 | 198707210_CHN_SDN |
| Bob Kipper | PIT | -1.3 | 198707210_PIT_SFN |
| Mark Langston | SEA | -0.97 | 198707220_SEA_MIL |
Based on accumulated WAA for this season up to 1987-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.37 | Rick Reuschel | 147.7 | PIT |
| +004+ | 6.79 | Orel Hershiser | 160.3 | LAN |
| +005+ | 6.22 | Mike Scott | 153 | HOU |
| +006+ | 5.93 | Bret Saberhagen | 153 | KCA |
| +007+ | 5.61 | Frank Viola | 155.3 | MIN |
| +009+ | 5.35 | Jimmy Key | 161 | TOR |
| +010+ | 5.03 | Charlie Leibrandt | 146.3 | KCA |
| +013+ | 4.76 | Jim Clancy | 151 | TOR |
| +021+ | 3.48 | Terry Leach | 77.7 | NYN |
| +029+ | 3.29 | Rick Sutcliffe | 143.7 | CHN |
| +032+ | 3.15 | Dave Schmidt | 97.7 | BAL |
| +034+ | 3.08 | Bob Welch | 150.7 | LAN |
| +035+ | 3.03 | Mike Boddicker | 148.3 | BAL |
| +036+ | 3.02 | Nolan Ryan | 113 | HOU |
| +037+ | 3.01 | Roger Clemens | 162.3 | BOS |
| +038+ | 2.97 | Danny Darwin | 133.3 | HOU |
| +049+ | 2.69 | Dwight Gooden | 74 | NYN |
| +054+ | 2.56 | Ron Guidry | 65.3 | NYA |
| +060+ | 2.51 | Eric Show | 134.7 | SDN |
| +062+ | 2.48 | Steve Ontiveros | 72.3 | OAK |
| +068+ | 2.33 | Frank Tanana | 137.7 | DET |
| +070+ | 2.3 | Juan Berenguer | 82 | MIN |
| +074+ | 2.24 | Dave Stewart | 144.7 | OAK |
| +080+ | 2.14 | Bruce Hurst | 149.7 | BOS |
| +086+ | 2.08 | Rick Rhoden | 129.7 | NYA |
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