| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.92 | 199106190_SEA_BOS |
| Dennis Martinez | WAS | 8.03 | 199106200_WAS_CIN |
| Jose Rijo | CIN | 4.43 | 199106200_WAS_CIN |
| Frank Viola | NYN | 3.93 | 199106210_NYN_ATL |
| Ramon Martinez | LAN | 3.81 | 199106200_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Hawkins | OAK | -6.01 | 199106190_OAK_DET |
| Walt Terrell | DET | -2.2 | 199106190_OAK_DET |
| Jeff Robinson | BAL | -1.99 | 199106190_MIN_BAL |
| Tim Leary | NYA | -1.63 | 199106200_NYA_TOR |
| Jack Morris | MIN | -1.11 | 199106190_MIN_BAL |
Based on accumulated WAA for this season up to 1991-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.88 | Scott Erickson | 107.3 | MIN |
| +002+ | 4.93 | Dennis Martinez | 110.7 | WAS |
| +003+ | 4.58 | Roger Clemens | 109.7 | BOS |
| +005+ | 4.01 | Tom Glavine | 103 | ATL |
| +007+ | 3.98 | Tom Candiotti | 102.3 | CLE |
| +012+ | 3.57 | Pete Harnisch | 94 | HOU |
| +015+ | 3.2 | Jimmy Key | 95.7 | TOR |
| +016+ | 3.17 | Greg Swindell | 116.7 | CLE |
| +017+ | 2.99 | Mike Morgan | 95.7 | LAN |
| +018+ | 2.93 | Jose Rijo | 101.7 | CIN |
| +019+ | 2.78 | Tommy Greene | 79 | PHI |
| +023+ | 2.68 | Dennis Rasmussen | 44 | SDN |
| +024+ | 2.66 | Ramon Martinez | 99 | LAN |
| +027+ | 2.51 | Tim Belcher | 85.7 | LAN |
| +028+ | 2.5 | Jose DeLeon | 83.3 | SLN |
| +033+ | 2.37 | Doug Drabek | 93.3 | PIT |
| +038+ | 2.32 | Frank Viola | 109.3 | NYN |
| +044+ | 2.15 | Charlie Leibrandt | 98.7 | ATL |
| +047+ | 2.11 | David Cone | 97.7 | NYN |
| +053+ | 2.04 | Bob Tewksbury | 76 | SLN |
| +054+ | 2.04 | Zane Smith | 94.3 | PIT |
| +056+ | 2.03 | Bruce Hurst | 102.3 | SDN |
| +055+ | 2.03 | Todd Stottlemyre | 94.3 | TOR |
| +064+ | 1.91 | Nolan Ryan | 83 | TEX |
| +067+ | 1.88 | Dave Wells | 90.3 | TOR |
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