| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.48 | 199109261_BOS_BAL |
| Tom Candiotti | TOR | 6.71 | 199109280_MIN_TOR |
| Tom Glavine | ATL | 6.26 | 199109270_ATL_HOU |
| Jose Rijo | CIN | 5.25 | 199109260_CIN_ATL |
| Kevin Tapani | MIN | 3.86 | 199109270_MIN_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -5.94 | 199109280_TEX_OAK |
| Wade Taylor | NYA | -4.87 | 199109260_NYA_MIL |
| Mark Gubicza | KCA | -4.35 | 199109260_ANA_KCA |
| Dave Johnson | BAL | -4.13 | 199109261_BOS_BAL |
| Rich DeLucia | SEA | -2.88 | 199109280_SEA_CHA |
Based on accumulated WAA for this season up to 1991-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.39 | Roger Clemens | 257.3 | BOS |
| +005+ | 8.02 | Dennis Martinez | 222 | WAS |
| +007+ | 7.33 | Tom Glavine | 238.7 | ATL |
| +009+ | 7.18 | Jose Rijo | 190.3 | CIN |
| +010+ | 7.07 | Tom Candiotti | 231.7 | TOT |
| +012+ | 6.58 | Pete Harnisch | 205.7 | HOU |
| +016+ | 6.18 | Jim Abbott | 230 | ANA |
| +017+ | 6.17 | Tim Belcher | 202.3 | LAN |
| +022+ | 5.72 | Kevin Tapani | 239 | MIN |
| +023+ | 5.67 | Mike Morgan | 222.3 | LAN |
| +025+ | 5.27 | Jose DeLeon | 162 | SLN |
| +026+ | 5.16 | Greg Harris | 126 | SDN |
| +047+ | 4.22 | Andy Benes | 210.3 | SDN |
| +048+ | 4.2 | Mark Langston | 231.3 | ANA |
| +050+ | 4.11 | Doug Drabek | 229.7 | PIT |
| +052+ | 4.07 | Bret Saberhagen | 194.3 | KCA |
| +055+ | 3.98 | Charlie Leibrandt | 222.7 | ATL |
| +057+ | 3.93 | Mike Moore | 196.7 | OAK |
| +059+ | 3.86 | Zane Smith | 220 | PIT |
| +060+ | 3.79 | Jimmy Key | 202 | TOR |
| +062+ | 3.64 | Bill Wegman | 177.3 | MIL |
| +066+ | 3.53 | Randy Tomlin | 168 | PIT |
| +070+ | 3.4 | Nolan Ryan | 160 | TEX |
| +073+ | 3.33 | Ramon Martinez | 215 | LAN |
| +075+ | 3.32 | Chris Bosio | 201.7 | MIL |
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