| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Candiotti | TOR | 9.77 | 199109230_TOR_ANA |
| Dennis Martinez | WAS | 8.05 | 199109231_WAS_SLN |
| Pete Harnisch | HOU | 4.41 | 199109230_SFN_HOU |
| Jim Abbott | ANA | 4.23 | 199109240_TOR_ANA |
| Mike Morgan | LAN | 3.48 | 199109240_LAN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -5.64 | 199109230_KCA_OAK |
| Jose Mesa | BAL | -4.25 | 199109230_BOS_BAL |
| Jeff Johnson | NYA | -2.55 | 199109230_NYA_MIL |
| 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 1991-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.76 | Roger Clemens | 248.3 | BOS |
| +005+ | 8.04 | Dennis Martinez | 222 | WAS |
| +007+ | 7.5 | Tom Candiotti | 227 | TOT |
| +008+ | 7.23 | Tom Glavine | 232.7 | ATL |
| +011+ | 6.6 | Pete Harnisch | 205.7 | HOU |
| +012+ | 6.56 | Jose Rijo | 183.3 | CIN |
| +015+ | 6.18 | Jim Abbott | 230 | ANA |
| +019+ | 5.72 | Kevin Tapani | 232 | MIN |
| +020+ | 5.7 | Mike Morgan | 222.3 | LAN |
| +021+ | 5.67 | Tim Belcher | 194.3 | LAN |
| +025+ | 5.29 | Jose DeLeon | 162 | SLN |
| +026+ | 5.26 | Greg Harris | 120 | SDN |
| +043+ | 4.37 | Zane Smith | 213 | PIT |
| +044+ | 4.25 | Andy Benes | 210.3 | SDN |
| +046+ | 4.2 | Mark Langston | 231.3 | ANA |
| +050+ | 4.11 | Doug Drabek | 221.7 | PIT |
| +053+ | 3.91 | Charlie Leibrandt | 217 | ATL |
| +058+ | 3.81 | Chris Bosio | 195.3 | MIL |
| +056+ | 3.81 | Jimmy Key | 202 | TOR |
| +062+ | 3.55 | Ramon Martinez | 208 | LAN |
| +063+ | 3.55 | Bret Saberhagen | 186 | KCA |
| +067+ | 3.42 | Nolan Ryan | 160 | TEX |
| +072+ | 3.31 | Tommy Greene | 207.7 | PHI |
| +077+ | 3.26 | Bill Wegman | 168.3 | MIL |
| +078+ | 3.24 | Randy Tomlin | 159.3 | PIT |
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