| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -5.94 | 199110040_OAK_TEX |
| Jeff Johnson | NYA | -4.48 | 199110030_BAL_NYA |
| Jeff Ballard | BAL | -2.29 | 199110030_BAL_NYA |
| Kevin Brown | TEX | -1.09 | 199110040_OAK_TEX |
| Mike Gardiner | BOS | -0.92 | 199110040_MIL_BOS |
Based on accumulated WAA for this season up to 1991-10-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.59 | Roger Clemens | 262.3 | BOS |
| +006+ | 7.79 | Tom Glavine | 246.7 | ATL |
| +009+ | 7.01 | Tom Candiotti | 238 | TOT |
| +011+ | 6.69 | Jose Rijo | 196.3 | CIN |
| +016+ | 6.26 | Pete Harnisch | 211.7 | HOU |
| +017+ | 6.19 | Tim Belcher | 209.3 | LAN |
| +018+ | 5.9 | Mike Morgan | 229.3 | LAN |
| +022+ | 5.54 | Jim Abbott | 234 | ANA |
| +026+ | 5.32 | Jose DeLeon | 162.7 | SLN |
| +027+ | 5.3 | Kevin Tapani | 244 | MIN |
| +028+ | 5.19 | Greg Harris | 133 | SDN |
| +033+ | 4.91 | Mark Langston | 238.7 | ANA |
| +042+ | 4.63 | Mike Moore | 204 | OAK |
| +044+ | 4.53 | Doug Drabek | 234.7 | PIT |
| +047+ | 4.47 | Bill Wegman | 186.3 | MIL |
| +051+ | 4.27 | Andy Benes | 217.3 | SDN |
| +056+ | 4.04 | Jimmy Key | 209.3 | TOR |
| +060+ | 3.89 | Zane Smith | 223 | PIT |
| +064+ | 3.64 | Bret Saberhagen | 196.3 | KCA |
| +065+ | 3.64 | Randy Tomlin | 174 | PIT |
| +068+ | 3.52 | Nolan Ryan | 166 | TEX |
| +076+ | 3.2 | Ramon Martinez | 220.3 | LAN |
| +081+ | 3.11 | Bob Ojeda | 189.3 | LAN |
| +087+ | 3.01 | Jose Guzman | 169.7 | TEX |
| +089+ | 2.98 | Chris Bosio | 204.7 | MIL |
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