| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 10.22 | 199108120_WAS_PHI |
| Roger Clemens | BOS | 8.73 | 199108120_BOS_TOR |
| Scott Erickson | MIN | 5.64 | 199108100_MIN_SEA |
| Ramon Martinez | LAN | 5.32 | 199108100_LAN_SFN |
| Pete Harnisch | HOU | 3.83 | 199108100_HOU_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tim Leary | NYA | -8.15 | 199108112_DET_NYA |
| Dave Johnson | BAL | -2.93 | 199108110_CHA_BAL |
| John Smoltz | ATL | -2.67 | 199108100_HOU_ATL |
| Don August | MIL | -1.88 | 199108110_MIL_TEX |
| Walt Terrell | DET | -1.49 | 199108102_DET_NYA |
Based on accumulated WAA for this season up to 1991-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.49 | Dennis Martinez | 177.3 | WAS |
| +004+ | 6.19 | Tom Glavine | 168 | ATL |
| +006+ | 5.99 | Tom Candiotti | 166 | TOT |
| +008+ | 5.59 | Pete Harnisch | 157.7 | HOU |
| +009+ | 5.5 | Mike Morgan | 161 | LAN |
| +010+ | 5.44 | Roger Clemens | 182.3 | BOS |
| +017+ | 4.75 | Ramon Martinez | 164.3 | LAN |
| +023+ | 4.54 | Scott Erickson | 149.7 | MIN |
| +029+ | 4.05 | Jose DeLeon | 142 | SLN |
| +030+ | 4.01 | Tim Belcher | 147 | LAN |
| +031+ | 3.98 | Randy Tomlin | 111.7 | PIT |
| +033+ | 3.89 | Kevin Tapani | 172.3 | MIN |
| +036+ | 3.77 | Tommy Greene | 144 | PHI |
| +044+ | 3.42 | Greg Swindell | 174 | CLE |
| +047+ | 3.21 | Jim Abbott | 163 | ANA |
| +048+ | 3.2 | Jimmy Key | 148 | TOR |
| +049+ | 3.2 | Jose Rijo | 127.7 | CIN |
| +050+ | 3.15 | Frank Viola | 169 | NYN |
| +060+ | 2.81 | Luis Aquino | 106.3 | KCA |
| +061+ | 2.8 | Bill Krueger | 119.7 | SEA |
| +062+ | 2.76 | Bob Tewksbury | 128 | SLN |
| +070+ | 2.58 | Greg Harris | 62.7 | SDN |
| +076+ | 2.46 | Bruce Hurst | 176.3 | SDN |
| +078+ | 2.42 | John Burkett | 159.7 | SFN |
| +083+ | 2.28 | Mark Gardner | 110.7 | WAS |
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