| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 7.36 | 199108310_BOS_SEA |
| Pete Harnisch | HOU | 4.95 | 199108310_HOU_WAS |
| Jose Rijo | CIN | 4.64 | 199108290_WAS_CIN |
| Mike Morgan | LAN | 4.63 | 199108290_PIT_LAN |
| Kevin Tapani | MIN | 3.14 | 199108310_BAL_MIN |
| 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 1991-08-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.32 | Tom Glavine | 197.7 | ATL |
| +004+ | 7.21 | Roger Clemens | 214.3 | BOS |
| +005+ | 7.12 | Dennis Martinez | 195.3 | WAS |
| +006+ | 7.09 | Tom Candiotti | 195.7 | TOT |
| +012+ | 5.94 | Pete Harnisch | 184.7 | HOU |
| +014+ | 5.69 | Tim Belcher | 177 | LAN |
| +017+ | 5.25 | Jose Rijo | 157.3 | CIN |
| +019+ | 5.01 | Mike Morgan | 185.7 | LAN |
| +020+ | 5 | Kevin Tapani | 202.7 | MIN |
| +022+ | 4.88 | Jose DeLeon | 157 | SLN |
| +024+ | 4.74 | Jim Abbott | 192 | ANA |
| +033+ | 4.19 | Ramon Martinez | 181.3 | LAN |
| +035+ | 4.06 | Jimmy Key | 172.7 | TOR |
| +041+ | 3.87 | Randy Tomlin | 136 | PIT |
| +053+ | 3.47 | Bruce Hurst | 201 | SDN |
| +056+ | 3.44 | Greg Swindell | 194 | CLE |
| +059+ | 3.4 | Bret Saberhagen | 154.3 | KCA |
| +061+ | 3.37 | Greg Harris | 89.7 | SDN |
| +062+ | 3.34 | Mark Langston | 195 | ANA |
| +063+ | 3.32 | Doug Drabek | 185 | PIT |
| +068+ | 3.02 | Nolan Ryan | 134 | TEX |
| +073+ | 2.94 | Zane Smith | 174 | PIT |
| +074+ | 2.93 | Mark Gardner | 135.7 | WAS |
| +075+ | 2.9 | Jack McDowell | 209.3 | CHA |
| +078+ | 2.75 | Scott Erickson | 162.3 | MIN |
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