| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 13.78 | 199008090_BOS_ANA |
| Dave Stewart | OAK | 6.82 | 199008100_NYA_OAK |
| John Tudor | SLN | 5.23 | 199008100_SLN_PIT |
| Doug Drabek | PIT | 4.65 | 199008080_WAS_PIT |
| Ed Whitson | SDN | 4.16 | 199008100_SDN_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Robinson | DET | -4.51 | 199008090_DET_TOR |
| Bert Blyleven | ANA | -3.6 | 199008100_BAL_ANA |
| David West | MIN | -2.89 | 199008100_MIN_TOR |
| Storm Davis | KCA | -1.39 | 199008102_MIL_KCA |
| Todd Stottlemyre | TOR | -1.01 | 199008090_DET_TOR |
Based on accumulated WAA for this season up to 1990-08-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.77 | Roger Clemens | 183 | BOS |
| +005+ | 6.22 | Dave Stewart | 190 | OAK |
| +007+ | 5.44 | Frank Viola | 163.3 | NYN |
| +008+ | 5.43 | Chuck Finley | 161 | ANA |
| +009+ | 4.81 | Ed Whitson | 165 | SDN |
| +010+ | 4.72 | John Tudor | 132.3 | SLN |
| +013+ | 4.56 | Danny Darwin | 93.3 | HOU |
| +015+ | 4.29 | Ramon Martinez | 161.3 | LAN |
| +019+ | 4.16 | Bill Swift | 87.3 | SEA |
| +029+ | 3.54 | Tom Browning | 169.7 | CIN |
| +034+ | 3.43 | Dennis Martinez | 172.7 | WAS |
| +035+ | 3.26 | Doug Drabek | 156.7 | PIT |
| +037+ | 3.16 | Norm Charlton | 91 | CIN |
| +044+ | 2.93 | Mark Gardner | 127.7 | WAS |
| +049+ | 2.81 | Oil Can Boyd | 135.7 | WAS |
| +056+ | 2.62 | Tom Candiotti | 146.3 | CLE |
| +057+ | 2.61 | Bob Welch | 159.3 | OAK |
| +063+ | 2.42 | Greg Hibbard | 138.3 | CHA |
| +064+ | 2.41 | Dave Stieb | 133.7 | TOR |
| +071+ | 2.27 | Kevin Brown | 168 | TEX |
| +077+ | 2.16 | Ben McDonald | 37.7 | BAL |
| +082+ | 2.11 | Kirk McCaskill | 114.7 | ANA |
| +088+ | 2 | Kevin Appier | 113.3 | KCA |
| +089+ | 1.97 | Dennis Cook | 117.7 | PHI |
| +096+ | 1.88 | Mike Morgan | 155.7 | LAN |
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