| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 11.07 | 199108170_SLN_WAS |
| Roger Clemens | BOS | 6.99 | 199108160_KCA_BOS |
| Ramon Martinez | LAN | 4.84 | 199108150_HOU_LAN |
| Pete Harnisch | HOU | 4.33 | 199108150_HOU_LAN |
| Scott Erickson | MIN | 3.79 | 199108150_ANA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wade Taylor | NYA | -3.97 | 199108170_CHA_NYA |
| Dave Johnson | BAL | -3.93 | 199108160_BAL_MIL |
| Bobby Witt | TEX | -2.17 | 199108162_TEX_CLE |
| John Smoltz | ATL | -1.99 | 199108150_ATL_SDN |
| Don August | MIL | -1.67 | 199108160_BAL_MIL |
Based on accumulated WAA for this season up to 1991-08-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.33 | Dennis Martinez | 186.3 | WAS |
| +003+ | 7.02 | Tom Glavine | 176.7 | ATL |
| +005+ | 6.32 | Tom Candiotti | 174 | TOT |
| +008+ | 5.99 | Pete Harnisch | 164.7 | HOU |
| +009+ | 5.89 | Roger Clemens | 189.3 | BOS |
| +011+ | 5.76 | Mike Morgan | 167 | LAN |
| +019+ | 4.41 | Randy Tomlin | 118.7 | PIT |
| +020+ | 4.36 | Tim Belcher | 154 | LAN |
| +027+ | 4.29 | Ramon Martinez | 169.3 | LAN |
| +033+ | 4.08 | Jose DeLeon | 149 | SLN |
| +038+ | 3.86 | Jose Rijo | 134.7 | CIN |
| +039+ | 3.73 | Scott Erickson | 152.7 | MIN |
| +042+ | 3.68 | Kevin Tapani | 179.7 | MIN |
| +043+ | 3.68 | Greg Swindell | 181.3 | CLE |
| +047+ | 3.53 | Tommy Greene | 150 | PHI |
| +049+ | 3.4 | Greg Harris | 71.7 | SDN |
| +052+ | 3.28 | Jimmy Key | 155.3 | TOR |
| +053+ | 3.27 | Jim Abbott | 170.3 | ANA |
| +056+ | 3.12 | Bob Tewksbury | 136.3 | SLN |
| +057+ | 3.08 | Bill Krueger | 125 | SEA |
| +064+ | 2.92 | Luis Aquino | 114.3 | KCA |
| +067+ | 2.78 | Bruce Hurst | 184.3 | SDN |
| +068+ | 2.76 | Mark Langston | 183 | ANA |
| +081+ | 2.52 | Frank Viola | 175 | NYN |
| +084+ | 2.49 | Zane Smith | 159.3 | PIT |
_