| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Morgan | LAN | 4.04 | 199110050_LAN_SFN |
| Kevin Tapani | MIN | 3.85 | 199110032_MIN_CHA |
| Jim Abbott | ANA | 3.55 | 199110050_KCA_ANA |
| Doug Drabek | PIT | 1.9 | 199110040_WAS_PIT |
| Greg Swindell | CLE | 1.04 | 199110030_MIL_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -5.94 | 199110040_OAK_TEX |
| Dave Johnson | BAL | -5.23 | 199110050_DET_BAL |
| Jeff Johnson | NYA | -4.48 | 199110030_BAL_NYA |
| Jack Armstrong | CIN | -2.42 | 199110050_CIN_SDN |
| Shawn Boskie | CHN | -1.99 | 199110052_SLN_CHN |
Based on accumulated WAA for this season up to 1991-10-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.61 | Roger Clemens | 262.3 | BOS |
| +007+ | 7.8 | Tom Glavine | 246.7 | ATL |
| +009+ | 7.01 | Tom Candiotti | 238 | TOT |
| +011+ | 6.71 | Jose Rijo | 196.3 | CIN |
| +017+ | 6.21 | Tim Belcher | 209.3 | LAN |
| +018+ | 6.17 | Jim Abbott | 243 | ANA |
| +019+ | 6.15 | Mike Morgan | 236.3 | LAN |
| +026+ | 5.35 | Jose DeLeon | 162.7 | SLN |
| +027+ | 5.31 | Kevin Tapani | 244 | MIN |
| +028+ | 5.2 | Greg Harris | 133 | SDN |
| +033+ | 4.93 | Mark Langston | 238.7 | ANA |
| +042+ | 4.64 | Mike Moore | 204 | OAK |
| +046+ | 4.55 | Doug Drabek | 234.7 | PIT |
| +050+ | 4.28 | Andy Benes | 217.3 | SDN |
| +057+ | 4.07 | Jimmy Key | 209.3 | TOR |
| +062+ | 3.73 | Zane Smith | 228 | PIT |
| +065+ | 3.66 | Bret Saberhagen | 196.3 | KCA |
| +066+ | 3.65 | Randy Tomlin | 174 | PIT |
| +068+ | 3.54 | Scott Erickson | 204 | MIN |
| +079+ | 3.22 | Ramon Martinez | 220.3 | LAN |
| +084+ | 3.14 | Bob Ojeda | 189.3 | LAN |
| +090+ | 3.02 | Jose Guzman | 169.7 | TEX |
| +091+ | 2.99 | Chris Bosio | 204.7 | MIL |
| +094+ | 2.94 | Charlie Leibrandt | 225.7 | ATL |
| +095+ | 2.91 | Juan Guzman | 138.7 | TOR |
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