| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 7.36 | 199108310_BOS_SEA |
| Pete Harnisch | HOU | 4.95 | 199108310_HOU_WAS |
| Tim Belcher | LAN | 3.9 | 199108300_CHN_LAN |
| Kevin Tapani | MIN | 3.14 | 199108310_BAL_MIN |
| Randy Tomlin | PIT | 2.24 | 199108310_PIT_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Alex Fernandez | CHA | -3.3 | 199108300_CLE_CHA |
| Bobby Witt | TEX | -2.48 | 199108310_KCA_TEX |
| Jim Deshaies | HOU | -2.37 | 199108300_HOU_WAS |
| Danny Jackson | CHN | -2.12 | 199108300_CHN_LAN |
| Mark Gubicza | KCA | -1.48 | 199108310_KCA_TEX |
Based on accumulated WAA for this season up to 1991-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.35 | Tom Glavine | 197.7 | ATL |
| +004+ | 7.25 | Roger Clemens | 214.3 | BOS |
| +005+ | 7.15 | Dennis Martinez | 195.3 | WAS |
| +006+ | 7.14 | Tom Candiotti | 195.7 | TOT |
| +011+ | 5.99 | Pete Harnisch | 184.7 | HOU |
| +015+ | 5.72 | Tim Belcher | 177 | LAN |
| +017+ | 5.28 | Jose Rijo | 157.3 | CIN |
| +019+ | 5.04 | Mike Morgan | 185.7 | LAN |
| +020+ | 5.03 | Kevin Tapani | 202.7 | MIN |
| +021+ | 4.9 | Jose DeLeon | 157 | SLN |
| +024+ | 4.79 | Jim Abbott | 192 | ANA |
| +031+ | 4.24 | Ramon Martinez | 188.3 | LAN |
| +036+ | 4.1 | Jimmy Key | 172.7 | TOR |
| +044+ | 3.9 | Randy Tomlin | 136 | PIT |
| +052+ | 3.5 | Bruce Hurst | 201 | SDN |
| +057+ | 3.39 | Mark Langston | 195 | ANA |
| +059+ | 3.38 | Greg Harris | 89.7 | SDN |
| +060+ | 3.37 | Doug Drabek | 185 | PIT |
| +065+ | 3.14 | Bob Tewksbury | 158.3 | SLN |
| +067+ | 3.08 | Bret Saberhagen | 162 | KCA |
| +068+ | 3.04 | Nolan Ryan | 134 | TEX |
| +072+ | 2.96 | Mark Gardner | 135.7 | WAS |
| +073+ | 2.94 | Jack McDowell | 209.3 | CHA |
| +077+ | 2.79 | Greg Swindell | 200 | CLE |
| +078+ | 2.78 | Scott Erickson | 162.3 | MIN |
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