| 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 |
| Pete Smith | ATL | -0.93 | 199106230_NYN_ATL |
| Jack Morris | MIN | -0.93 | 199106250_TOR_MIN |
Based on accumulated WAA for this season up to 1991-06-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.7 | Scott Erickson | 116.3 | MIN |
| +002+ | 4.77 | Roger Clemens | 118.7 | BOS |
| +003+ | 4.68 | Dennis Martinez | 117 | WAS |
| +004+ | 4.44 | Tom Glavine | 110 | ATL |
| +005+ | 4.35 | Pete Harnisch | 103 | HOU |
| +007+ | 4.09 | Tom Candiotti | 108.3 | CLE |
| +013+ | 3.59 | Mike Morgan | 104.7 | LAN |
| +015+ | 3.54 | Jimmy Key | 101.7 | TOR |
| +019+ | 3.22 | Tim Belcher | 93.7 | LAN |
| +020+ | 3.17 | Greg Swindell | 116.7 | CLE |
| +023+ | 2.92 | Jose Rijo | 101.7 | CIN |
| +024+ | 2.86 | Tommy Greene | 87 | PHI |
| +028+ | 2.69 | Dennis Rasmussen | 44 | SDN |
| +029+ | 2.66 | Ramon Martinez | 99 | LAN |
| +038+ | 2.43 | Bruce Hurst | 111.3 | SDN |
| +041+ | 2.4 | Doug Drabek | 100.3 | PIT |
| +043+ | 2.33 | Frank Viola | 109.3 | NYN |
| +044+ | 2.25 | Jose DeLeon | 87.7 | SLN |
| +046+ | 2.16 | Charlie Leibrandt | 98.7 | ATL |
| +050+ | 2.12 | David Cone | 97.7 | NYN |
| +052+ | 2.07 | Bob Tewksbury | 83.3 | SLN |
| +056+ | 2.01 | Zane Smith | 98.3 | PIT |
| +058+ | 1.98 | Bob Welch | 110.7 | OAK |
| +060+ | 1.92 | Nolan Ryan | 83 | TEX |
| +061+ | 1.89 | Dave Wells | 90.3 | TOR |
_