| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 10.41 | 199107120_BOS_MIN |
| Dennis Martinez | WAS | 8.83 | 199107120_LAN_WAS |
| Tom Candiotti | TOR | 5.83 | 199107110_TEX_TOR |
| Doug Drabek | PIT | 4.96 | 199107120_PIT_CIN |
| Mike Morgan | LAN | 4.6 | 199107120_LAN_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Alex Fernandez | CHA | -3.26 | 199107120_CHA_MIL |
| Jeff Ballard | BAL | -2.33 | 199107070_BAL_NYA |
| Allan Anderson | MIN | -1.08 | 199107120_BOS_MIN |
| John Smoltz | ATL | -1.01 | 199107120_SLN_ATL |
| Mark Knudson | MIL | -1 | 199107070_MIL_CLE |
Based on accumulated WAA for this season up to 1991-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.98 | Dennis Martinez | 140 | WAS |
| +003+ | 5.59 | Tom Glavine | 127 | ATL |
| +004+ | 5.49 | Tom Candiotti | 129.3 | TOT |
| +006+ | 5.1 | Roger Clemens | 140 | BOS |
| +009+ | 4.45 | Pete Harnisch | 117.7 | HOU |
| +011+ | 4.35 | Jimmy Key | 113 | TOR |
| +016+ | 3.89 | Mike Morgan | 125 | LAN |
| +017+ | 3.71 | Ramon Martinez | 120.7 | LAN |
| +019+ | 3.65 | Tim Belcher | 108.3 | LAN |
| +021+ | 3.56 | Frank Viola | 139 | NYN |
| +028+ | 3.2 | Greg Swindell | 134 | CLE |
| +035+ | 2.95 | Doug Drabek | 130.3 | PIT |
| +036+ | 2.92 | David Cone | 120.3 | NYN |
| +040+ | 2.78 | Jose DeLeon | 107 | SLN |
| +044+ | 2.61 | Dennis Rasmussen | 64 | SDN |
| +049+ | 2.56 | Dave Wells | 118.7 | TOR |
| +051+ | 2.46 | Tommy Greene | 110 | PHI |
| +055+ | 2.32 | Todd Stottlemyre | 116 | TOR |
| +056+ | 2.3 | Nolan Ryan | 96.3 | TEX |
| +058+ | 2.29 | Zane Smith | 118.3 | PIT |
| +059+ | 2.2 | Charlie Leibrandt | 119.7 | ATL |
| +064+ | 2.14 | John Burkett | 119.3 | SFN |
| +077+ | 1.96 | Bob Tewksbury | 93.3 | SLN |
| +078+ | 1.94 | Kevin Tapani | 125.7 | MIN |
| +093+ | 1.75 | Bruce Hurst | 131.3 | SDN |
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