| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 12.98 | 199108230_WAS_HOU |
| Tom Candiotti | TOR | 8.28 | 199108230_NYA_TOR |
| Tom Glavine | ATL | 8.12 | 199108230_PHI_ATL |
| Mike Morgan | LAN | 4.7 | 199108240_LAN_SLN |
| Jose Rijo | CIN | 3.7 | 199108240_CIN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -4.18 | 199108230_MIL_OAK |
| Wade Taylor | NYA | -3.66 | 199108230_NYA_TOR |
| Don August | MIL | -1.65 | 199108220_MIL_TOR |
| Ben McDonald | BAL | -1.44 | 199108230_MIN_BAL |
| Allan Anderson | MIN | -1.07 | 199108230_MIN_BAL |
Based on accumulated WAA for this season up to 1991-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.85 | Dennis Martinez | 192.3 | WAS |
| +003+ | 7.69 | Tom Glavine | 188.7 | ATL |
| +007+ | 6.35 | Tom Candiotti | 187.7 | TOT |
| +011+ | 5.82 | Pete Harnisch | 171.7 | HOU |
| +012+ | 5.74 | Roger Clemens | 196.3 | BOS |
| +015+ | 5.21 | Mike Morgan | 179 | LAN |
| +016+ | 5.12 | Jose Rijo | 151.3 | CIN |
| +018+ | 4.92 | Tim Belcher | 162 | LAN |
| +022+ | 4.68 | Jose DeLeon | 155 | SLN |
| +028+ | 4.22 | Kevin Tapani | 187.7 | MIN |
| +034+ | 4.05 | Jim Abbott | 184.7 | ANA |
| +037+ | 3.98 | Randy Tomlin | 123 | PIT |
| +040+ | 3.95 | Ramon Martinez | 174.3 | LAN |
| +046+ | 3.6 | Scott Erickson | 158 | MIN |
| +047+ | 3.56 | Doug Drabek | 177.7 | PIT |
| +053+ | 3.37 | Mark Langston | 191 | ANA |
| +057+ | 3.25 | Jimmy Key | 161.7 | TOR |
| +058+ | 3.24 | Tommy Greene | 156 | PHI |
| +067+ | 2.98 | Luis Aquino | 119.3 | KCA |
| +068+ | 2.83 | Greg Swindell | 185.3 | CLE |
| +070+ | 2.76 | Bruce Hurst | 192.7 | SDN |
| +071+ | 2.75 | Nolan Ryan | 128.7 | TEX |
| +072+ | 2.74 | Greg Harris | 75.7 | SDN |
| +075+ | 2.67 | Bob Tewksbury | 142.3 | SLN |
| +076+ | 2.66 | Mike Moore | 147.3 | OAK |
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