| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Glavine | ATL | 9.18 | 199109130_LAN_ATL |
| Tom Candiotti | TOR | 8.64 | 199109140_OAK_TOR |
| Dennis Martinez | WAS | 7.49 | 199109130_WAS_CHN |
| Tim Belcher | LAN | 4.52 | 199109140_LAN_ATL |
| Jim Abbott | ANA | 3.56 | 199109130_CHA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -4.93 | 199109130_OAK_TOR |
| Jose Mesa | BAL | -2.89 | 199109120_CLE_BAL |
| Jeff Johnson | NYA | -2.69 | 199109130_BOS_NYA |
| Jack Armstrong | CIN | -2.66 | 199109130_HOU_CIN |
| Alex Fernandez | CHA | -1.77 | 199109140_CHA_ANA |
Based on accumulated WAA for this season up to 1991-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.51 | Tom Candiotti | 218.7 | TOT |
| +002+ | 8.2 | Roger Clemens | 232.3 | BOS |
| +005+ | 7.68 | Tom Glavine | 221 | ATL |
| +006+ | 7.63 | Dennis Martinez | 210.3 | WAS |
| +014+ | 5.82 | Jose Rijo | 170.3 | CIN |
| +016+ | 5.75 | Tim Belcher | 187.7 | LAN |
| +017+ | 5.69 | Jim Abbott | 212.3 | ANA |
| +018+ | 5.5 | Pete Harnisch | 193.7 | HOU |
| +020+ | 5.44 | Mike Morgan | 207.3 | LAN |
| +025+ | 5.11 | Kevin Tapani | 215.7 | MIN |
| +031+ | 4.8 | Mark Langston | 216.3 | ANA |
| +037+ | 4.4 | Greg Harris | 105.7 | SDN |
| +046+ | 3.85 | Ramon Martinez | 199 | LAN |
| +050+ | 3.71 | Andy Benes | 197 | SDN |
| +051+ | 3.69 | Zane Smith | 196 | PIT |
| +053+ | 3.62 | Jimmy Key | 182.3 | TOR |
| +055+ | 3.56 | Bruce Hurst | 220.7 | SDN |
| +064+ | 3.4 | Randy Tomlin | 147 | PIT |
| +069+ | 3.27 | Scott Erickson | 177.3 | MIN |
| +070+ | 3.22 | Jose Guzman | 139 | TEX |
| +071+ | 3.22 | Doug Drabek | 204.7 | PIT |
| +074+ | 3.16 | Tommy Greene | 185 | PHI |
| +080+ | 3.03 | Chris Bosio | 181.3 | MIL |
| +078+ | 3.03 | Charlie Leibrandt | 202.3 | ATL |
| +081+ | 3.01 | Nolan Ryan | 146 | TEX |
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