| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Glavine | ATL | 10.7 | 199109020_ATL_WAS |
| Tom Candiotti | TOR | 8.09 | 199109020_BAL_TOR |
| Tim Belcher | LAN | 4.99 | 199109040_SLN_LAN |
| Jose Rijo | CIN | 4.51 | 199109030_CIN_PHI |
| Jim Abbott | ANA | 3.34 | 199109020_ANA_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -4.98 | 199109030_OAK_MIL |
| Dave Johnson | BAL | -4.68 | 199109020_BAL_TOR |
| Alex Fernandez | CHA | -3.16 | 199109040_KCA_CHA |
| Wade Taylor | NYA | -3.02 | 199109020_NYA_TEX |
| Jim Deshaies | HOU | -2.3 | 199109040_HOU_NYN |
Based on accumulated WAA for this season up to 1991-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.27 | Tom Glavine | 205.7 | ATL |
| +003+ | 7.35 | Tom Candiotti | 202.7 | TOT |
| +005+ | 7.24 | Roger Clemens | 214.3 | BOS |
| +014+ | 6 | Pete Harnisch | 184.7 | HOU |
| +015+ | 5.7 | Tim Belcher | 184 | LAN |
| +017+ | 5.3 | Jose Rijo | 164.3 | CIN |
| +018+ | 5.02 | Kevin Tapani | 202.7 | MIN |
| +019+ | 4.93 | Mike Morgan | 194 | LAN |
| +026+ | 4.66 | Jim Abbott | 197.3 | ANA |
| +030+ | 4.2 | Ramon Martinez | 188.3 | LAN |
| +036+ | 4.06 | Jimmy Key | 172.7 | TOR |
| +042+ | 3.98 | Mark Langston | 201.3 | ANA |
| +043+ | 3.89 | Randy Tomlin | 136 | PIT |
| +060+ | 3.42 | Scott Erickson | 169.3 | MIN |
| +062+ | 3.38 | Greg Harris | 89.7 | SDN |
| +063+ | 3.21 | Bruce Hurst | 207 | SDN |
| +065+ | 3.12 | Bob Tewksbury | 158.3 | SLN |
| +067+ | 3.11 | Bret Saberhagen | 162 | KCA |
| +072+ | 2.98 | Bill Wegman | 143.7 | MIL |
| +074+ | 2.9 | Mark Gardner | 142 | WAS |
| +075+ | 2.82 | Luis Aquino | 126.3 | KCA |
| +077+ | 2.8 | Greg Swindell | 200 | CLE |
| +079+ | 2.77 | Jose Guzman | 131 | TEX |
| +080+ | 2.7 | Doug Drabek | 191.7 | PIT |
| +084+ | 2.66 | Andy Benes | 182.7 | SDN |
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