| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.46 | 199107220_BOS_TEX |
| Tom Glavine | ATL | 5.59 | 199107200_ATL_SLN |
| Scott Erickson | MIN | 5.57 | 199107200_MIN_BOS |
| Zane Smith | PIT | 2.66 | 199107220_ATL_PIT |
| Bruce Hurst | SDN | 2.54 | 199107210_PHI_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Hawkins | OAK | -2.75 | 199107200_NYA_OAK |
| Jeff Robinson | BAL | -1.79 | 199107210_SEA_BAL |
| Wade Taylor | NYA | -1.34 | 199107200_NYA_OAK |
| Denis Boucher | CLE | -1.22 | 199107200_CLE_ANA |
| John Smoltz | ATL | -0.97 | 199107220_ATL_PIT |
Based on accumulated WAA for this season up to 1991-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.61 | Tom Glavine | 143 | ATL |
| +002+ | 6.07 | Tom Candiotti | 138.7 | TOT |
| +003+ | 5.81 | Roger Clemens | 155 | BOS |
| +004+ | 5.78 | Scott Erickson | 133.7 | MIN |
| +005+ | 5.62 | Dennis Martinez | 145.3 | WAS |
| +009+ | 4.94 | Pete Harnisch | 131.7 | HOU |
| +013+ | 4.35 | Ramon Martinez | 133.7 | LAN |
| +014+ | 4.32 | Mike Morgan | 131 | LAN |
| +019+ | 3.96 | Greg Swindell | 150 | CLE |
| +027+ | 3.35 | Todd Stottlemyre | 130 | TOR |
| +030+ | 3.25 | Frank Viola | 145 | NYN |
| +031+ | 3.24 | Bob Tewksbury | 107.3 | SLN |
| +032+ | 3.14 | Randy Tomlin | 86 | PIT |
| +034+ | 3.13 | Jimmy Key | 123 | TOR |
| +033+ | 3.13 | Dave Wells | 125.3 | TOR |
| +045+ | 2.81 | Jose DeLeon | 121 | SLN |
| +047+ | 2.75 | Kevin Tapani | 139.7 | MIN |
| +049+ | 2.73 | Doug Drabek | 135 | PIT |
| +051+ | 2.68 | Nolan Ryan | 109.7 | TEX |
| +052+ | 2.68 | Tommy Greene | 117 | PHI |
| +056+ | 2.54 | Dennis Rasmussen | 79.3 | SDN |
| +057+ | 2.52 | David Cone | 134.7 | NYN |
| +060+ | 2.48 | Tim Belcher | 115.3 | LAN |
| +065+ | 2.36 | Chris Bosio | 118.7 | MIL |
| +066+ | 2.32 | Jack McDowell | 148.3 | CHA |
_