| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 6.45 | 199108260_BOS_OAK |
| Pete Harnisch | HOU | 5.05 | 199108260_NYN_HOU |
| Tim Belcher | LAN | 4.26 | 199108250_LAN_SLN |
| Kevin Tapani | MIN | 2.83 | 199108260_MIN_CLE |
| Randy Tomlin | PIT | 2.7 | 199108260_SDN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Johnson | BAL | -4.03 | 199108260_TOR_BAL |
| Alex Fernandez | CHA | -3.61 | 199108250_CHA_CLE |
| Bobby Witt | TEX | -2.6 | 199108250_TEX_KCA |
| Jim Deshaies | HOU | -2.27 | 199108250_WAS_HOU |
| Don August | MIL | -2.05 | 199108270_MIL_SEA |
Based on accumulated WAA for this season up to 1991-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.9 | Dennis Martinez | 192.3 | WAS |
| +002+ | 7.7 | Tom Glavine | 188.7 | ATL |
| +006+ | 6.6 | Roger Clemens | 205.3 | BOS |
| +007+ | 6.36 | Tom Candiotti | 187.7 | TOT |
| +012+ | 5.83 | Pete Harnisch | 178.7 | HOU |
| +015+ | 5.26 | Mike Morgan | 179 | LAN |
| +016+ | 5.15 | Jose Rijo | 151.3 | CIN |
| +019+ | 4.88 | Tim Belcher | 168 | LAN |
| +022+ | 4.68 | Jose DeLeon | 155 | SLN |
| +023+ | 4.58 | Kevin Tapani | 195.7 | MIN |
| +031+ | 4.21 | Ramon Martinez | 181.3 | LAN |
| +033+ | 4.06 | Jim Abbott | 184.7 | ANA |
| +043+ | 3.78 | Randy Tomlin | 130 | PIT |
| +045+ | 3.6 | Jimmy Key | 167.7 | TOR |
| +048+ | 3.55 | Doug Drabek | 177.7 | PIT |
| +052+ | 3.43 | Greg Swindell | 194 | CLE |
| +055+ | 3.4 | Bret Saberhagen | 154.3 | KCA |
| +059+ | 3.33 | Mark Langston | 195 | ANA |
| +066+ | 3.08 | Greg Harris | 81.7 | SDN |
| +069+ | 3.01 | Zane Smith | 174 | PIT |
| +071+ | 2.95 | Tommy Greene | 161.7 | PHI |
| +072+ | 2.78 | Mike Moore | 155.3 | OAK |
| +074+ | 2.77 | Bruce Hurst | 192.7 | SDN |
| +073+ | 2.77 | Scott Erickson | 162.3 | MIN |
| +075+ | 2.75 | Nolan Ryan | 128.7 | TEX |
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