| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.97 | 199106250_NYA_BOS |
| Dennis Martinez | WAS | 8.98 | 199106250_WAS_NYN |
| Scott Erickson | MIN | 7.83 | 199106240_MIN_NYA |
| Ramon Martinez | LAN | 3.67 | 199106260_SFN_LAN |
| Frank Viola | NYN | 3.29 | 199106260_WAS_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tim Leary | NYA | -2.59 | 199106250_NYA_BOS |
| Walt Terrell | DET | -2.45 | 199106250_MIL_DET |
| Jeff Robinson | BAL | -1.75 | 199106250_BAL_CLE |
| Jack Morris | MIN | -0.93 | 199106250_TOR_MIN |
| Jimmy Jones | HOU | -0.7 | 199106260_ATL_HOU |
Based on accumulated WAA for this season up to 1991-06-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.74 | Scott Erickson | 116.3 | MIN |
| +002+ | 4.8 | Roger Clemens | 118.7 | BOS |
| +003+ | 4.73 | Dennis Martinez | 117 | WAS |
| +004+ | 4.48 | Tom Glavine | 110 | ATL |
| +005+ | 4.39 | Pete Harnisch | 103 | HOU |
| +007+ | 4.13 | Tom Candiotti | 108.3 | CLE |
| +013+ | 3.59 | Mike Morgan | 104.7 | LAN |
| +014+ | 3.58 | Jimmy Key | 101.7 | TOR |
| +018+ | 3.23 | Tim Belcher | 93.7 | LAN |
| +020+ | 3.05 | Ramon Martinez | 108 | LAN |
| +023+ | 2.96 | Jose Rijo | 101.7 | CIN |
| +026+ | 2.91 | Greg Swindell | 122.7 | CLE |
| +027+ | 2.9 | Tommy Greene | 87 | PHI |
| +032+ | 2.62 | Dennis Rasmussen | 50 | SDN |
| +036+ | 2.48 | Bruce Hurst | 111.3 | SDN |
| +037+ | 2.43 | Doug Drabek | 100.3 | PIT |
| +040+ | 2.37 | Frank Viola | 116.3 | NYN |
| +047+ | 2.28 | Jose DeLeon | 87.7 | SLN |
| +049+ | 2.22 | Dave Wells | 98.3 | TOR |
| +050+ | 2.2 | Charlie Leibrandt | 98.7 | ATL |
| +052+ | 2.15 | David Cone | 97.7 | NYN |
| +053+ | 2.1 | Bob Tewksbury | 83.3 | SLN |
| +055+ | 2.04 | Zane Smith | 98.3 | PIT |
| +058+ | 2.01 | Bob Welch | 110.7 | OAK |
| +059+ | 1.95 | Nolan Ryan | 83 | TEX |
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