| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.48 | 199109261_BOS_BAL |
| Jose Rijo | CIN | 5.25 | 199109260_CIN_ATL |
| Jim Abbott | ANA | 4.23 | 199109240_TOR_ANA |
| Mike Morgan | LAN | 3.48 | 199109240_LAN_SDN |
| Charlie Leibrandt | ATL | 1.8 | 199109260_CIN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wade Taylor | NYA | -4.87 | 199109260_NYA_MIL |
| Mark Gubicza | KCA | -4.35 | 199109260_ANA_KCA |
| Dave Johnson | BAL | -4.13 | 199109261_BOS_BAL |
| Jack Armstrong | CIN | -2.46 | 199109251_CIN_ATL |
| Rich DeLucia | SEA | -2.07 | 199109250_TEX_SEA |
Based on accumulated WAA for this season up to 1991-09-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.36 | Roger Clemens | 257.3 | BOS |
| +005+ | 8.03 | Dennis Martinez | 222 | WAS |
| +007+ | 7.49 | Tom Candiotti | 227 | TOT |
| +008+ | 7.21 | Tom Glavine | 232.7 | ATL |
| +009+ | 7.19 | Jose Rijo | 190.3 | CIN |
| +012+ | 6.58 | Pete Harnisch | 205.7 | HOU |
| +015+ | 6.17 | Jim Abbott | 230 | ANA |
| +017+ | 5.7 | Kevin Tapani | 232 | MIN |
| +018+ | 5.68 | Mike Morgan | 222.3 | LAN |
| +019+ | 5.66 | Tim Belcher | 194.3 | LAN |
| +025+ | 5.27 | Jose DeLeon | 162 | SLN |
| +026+ | 5.25 | Greg Harris | 120 | SDN |
| +045+ | 4.28 | Zane Smith | 213 | PIT |
| +046+ | 4.23 | Andy Benes | 210.3 | SDN |
| +048+ | 4.19 | Mark Langston | 231.3 | ANA |
| +051+ | 4.01 | Doug Drabek | 221.7 | PIT |
| +052+ | 3.98 | Charlie Leibrandt | 222.7 | ATL |
| +054+ | 3.95 | Mike Moore | 196.7 | OAK |
| +060+ | 3.8 | Chris Bosio | 195.3 | MIL |
| +059+ | 3.8 | Jimmy Key | 202 | TOR |
| +063+ | 3.64 | Bill Wegman | 177.3 | MIL |
| +067+ | 3.54 | Ramon Martinez | 208 | LAN |
| +066+ | 3.54 | Randy Tomlin | 168 | PIT |
| +068+ | 3.53 | Bret Saberhagen | 186 | KCA |
| +071+ | 3.41 | Nolan Ryan | 160 | TEX |
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