| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.83 | 199107271_CHA_BOS |
| Dennis Martinez | WAS | 9.17 | 199107280_WAS_LAN |
| Tom Candiotti | TOR | 7.84 | 199107280_KCA_TOR |
| Mike Morgan | LAN | 3.39 | 199107280_WAS_LAN |
| Bruce Hurst | SDN | 2.74 | 199107260_NYN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Alex Fernandez | CHA | -3.41 | 199107280_CHA_BOS |
| Walt Terrell | DET | -2.98 | 199107260_DET_TEX |
| Jeff Robinson | BAL | -2.48 | 199107260_OAK_BAL |
| Mark Gubicza | KCA | -1.34 | 199107280_KCA_TOR |
| John Smoltz | ATL | -1.07 | 199107270_ATL_CHN |
Based on accumulated WAA for this season up to 1991-07-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7 | Dennis Martinez | 162.3 | WAS |
| +003+ | 5.95 | Scott Erickson | 139.3 | MIN |
| +004+ | 5.93 | Tom Glavine | 148 | ATL |
| +005+ | 5.65 | Tom Candiotti | 152 | TOT |
| +008+ | 5.5 | Roger Clemens | 161 | BOS |
| +010+ | 5.19 | Ramon Martinez | 142.7 | LAN |
| +011+ | 4.93 | Pete Harnisch | 137.7 | HOU |
| +014+ | 4.62 | Mike Morgan | 145.7 | LAN |
| +022+ | 3.9 | Bob Tewksbury | 116.3 | SLN |
| +026+ | 3.64 | Frank Viola | 157 | NYN |
| +028+ | 3.61 | Randy Tomlin | 93 | PIT |
| +029+ | 3.58 | Greg Swindell | 156.7 | CLE |
| +031+ | 3.54 | Dave Wells | 131.7 | TOR |
| +037+ | 3.28 | Jose DeLeon | 128 | SLN |
| +044+ | 2.95 | Jose Rijo | 107.7 | CIN |
| +045+ | 2.93 | Kevin Tapani | 147.7 | MIN |
| +046+ | 2.92 | Tim Belcher | 122.3 | LAN |
| +051+ | 2.81 | Doug Drabek | 142 | PIT |
| +053+ | 2.76 | Nolan Ryan | 122 | TEX |
| +055+ | 2.72 | Bill Krueger | 101 | SEA |
| +056+ | 2.7 | Jack McDowell | 157.3 | CHA |
| +057+ | 2.69 | Tommy Greene | 130 | PHI |
| +059+ | 2.66 | Jimmy Key | 129 | TOR |
| +060+ | 2.62 | Bruce Hurst | 154.3 | SDN |
| +064+ | 2.49 | Todd Stottlemyre | 134 | TOR |
_