| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 6.72 | 199106150_ATL_WAS |
| Doug Drabek | PIT | 6.38 | 199106170_PIT_SDN |
| Chuck Finley | ANA | 5.85 | 199106150_ANA_BOS |
| Bruce Hurst | SDN | 5.19 | 199106170_PIT_SDN |
| Frank Viola | NYN | 4.56 | 199106160_HOU_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Hawkins | OAK | -6.31 | 199106152_OAK_MIL |
| Don August | MIL | -1.95 | 199106170_OAK_MIL |
| Alex Fernandez | CHA | -1.71 | 199106160_KCA_CHA |
| Tim Leary | NYA | -1.4 | 199106150_NYA_TEX |
| Randy Johnson | SEA | -1.34 | 199106150_DET_SEA |
Based on accumulated WAA for this season up to 1991-06-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.34 | Scott Erickson | 101.3 | MIN |
| +002+ | 4.28 | Dennis Martinez | 102.7 | WAS |
| +003+ | 4.18 | Greg Swindell | 109.7 | CLE |
| +004+ | 4.1 | Roger Clemens | 102 | BOS |
| +007+ | 3.83 | Tom Candiotti | 96.3 | CLE |
| +009+ | 3.44 | Pete Harnisch | 88 | HOU |
| +012+ | 3.28 | Tom Glavine | 95 | ATL |
| +014+ | 3.11 | Jimmy Key | 87.7 | TOR |
| +016+ | 3.06 | Mike Morgan | 95.7 | LAN |
| +020+ | 2.77 | Tommy Greene | 79 | PHI |
| +021+ | 2.77 | Dennis Rasmussen | 38 | SDN |
| +022+ | 2.63 | David Cone | 92 | NYN |
| +024+ | 2.56 | Tim Belcher | 78.7 | LAN |
| +025+ | 2.52 | Frank Viola | 102.3 | NYN |
| +026+ | 2.51 | Ramon Martinez | 92 | LAN |
| +029+ | 2.41 | Jose Rijo | 95.7 | CIN |
| +031+ | 2.34 | Doug Drabek | 93.3 | PIT |
| +033+ | 2.22 | Zane Smith | 87.3 | PIT |
| +044+ | 2.06 | Gerald Alexander | 43.3 | TEX |
| +045+ | 2.04 | Jose DeLeon | 76 | SLN |
| +046+ | 2.02 | Bruce Hurst | 102.3 | SDN |
| +053+ | 1.93 | Charlie Leibrandt | 91.7 | ATL |
| +064+ | 1.79 | Dave Wells | 82.3 | TOR |
| +071+ | 1.6 | Greg Maddux | 100 | CHN |
| +076+ | 1.52 | Todd Stottlemyre | 86.3 | TOR |
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