| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Stewart | OAK | -3.04 | 199108130_OAK_SEA |
| Jose Mesa | BAL | -2.65 | 199108150_TEX_BAL |
| Alex Fernandez | CHA | -2.24 | 199108131_CHA_DET |
| John Smoltz | ATL | -1.99 | 199108150_ATL_SDN |
| Jim Deshaies | HOU | -1.5 | 199108140_HOU_SDN |
Based on accumulated WAA for this season up to 1991-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.53 | Dennis Martinez | 177.3 | WAS |
| +003+ | 7.04 | Tom Glavine | 176.7 | ATL |
| +005+ | 6.33 | Tom Candiotti | 174 | TOT |
| +007+ | 6.05 | Pete Harnisch | 164.7 | HOU |
| +010+ | 5.84 | Mike Morgan | 167 | LAN |
| +014+ | 5.48 | Roger Clemens | 182.3 | BOS |
| +019+ | 4.44 | Tim Belcher | 154 | LAN |
| +021+ | 4.38 | Ramon Martinez | 169.3 | LAN |
| +030+ | 4.06 | Jose DeLeon | 142 | SLN |
| +033+ | 3.99 | Randy Tomlin | 111.7 | PIT |
| +037+ | 3.91 | Kevin Tapani | 172.3 | MIN |
| +038+ | 3.87 | Jose Rijo | 134.7 | CIN |
| +041+ | 3.78 | Scott Erickson | 152.7 | MIN |
| +043+ | 3.7 | Greg Swindell | 181.3 | CLE |
| +048+ | 3.52 | Tommy Greene | 150 | PHI |
| +049+ | 3.41 | Greg Harris | 71.7 | SDN |
| +051+ | 3.28 | Jim Abbott | 170.3 | ANA |
| +052+ | 3.24 | Jimmy Key | 148 | TOR |
| +059+ | 2.82 | Luis Aquino | 106.3 | KCA |
| +060+ | 2.81 | Bill Krueger | 119.7 | SEA |
| +064+ | 2.77 | Bob Tewksbury | 128 | SLN |
| +065+ | 2.76 | Mark Langston | 183 | ANA |
| +076+ | 2.51 | Frank Viola | 175 | NYN |
| +075+ | 2.51 | Doug Drabek | 161.7 | PIT |
| +077+ | 2.48 | Bruce Hurst | 176.3 | SDN |
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