| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.83 | 199107271_CHA_BOS |
| Scott Erickson | MIN | 6.72 | 199107250_MIN_DET |
| Ramon Martinez | LAN | 5.24 | 199107250_PHI_LAN |
| Jose Rijo | CIN | 3.31 | 199107250_CIN_CHN |
| Bruce Hurst | SDN | 2.74 | 199107260_NYN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Hawkins | OAK | -3.35 | 199107250_OAK_CLE |
| Walt Terrell | DET | -2.98 | 199107260_DET_TEX |
| Jeff Robinson | BAL | -2.48 | 199107260_OAK_BAL |
| John Smoltz | ATL | -1.07 | 199107270_ATL_CHN |
| Wade Taylor | NYA | -0.91 | 199107250_SEA_NYA |
Based on accumulated WAA for this season up to 1991-07-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.21 | Tom Candiotti | 146.7 | TOT |
| +002+ | 6.18 | Dennis Martinez | 153.3 | WAS |
| +004+ | 5.95 | Scott Erickson | 139.3 | MIN |
| +005+ | 5.91 | Tom Glavine | 148 | ATL |
| +006+ | 5.5 | Roger Clemens | 161 | BOS |
| +010+ | 5.18 | Ramon Martinez | 142.7 | LAN |
| +011+ | 4.93 | Pete Harnisch | 137.7 | HOU |
| +020+ | 3.89 | Bob Tewksbury | 116.3 | SLN |
| +022+ | 3.8 | Mike Morgan | 136.7 | LAN |
| +026+ | 3.6 | Randy Tomlin | 93 | PIT |
| +027+ | 3.57 | Greg Swindell | 156.7 | CLE |
| +029+ | 3.53 | Dave Wells | 131.7 | TOR |
| +041+ | 2.98 | Frank Viola | 150 | NYN |
| +044+ | 2.93 | Kevin Tapani | 147.7 | MIN |
| +043+ | 2.93 | Jose Rijo | 107.7 | CIN |
| +045+ | 2.92 | Tim Belcher | 122.3 | LAN |
| +049+ | 2.85 | Jose DeLeon | 121 | SLN |
| +051+ | 2.79 | Doug Drabek | 142 | PIT |
| +055+ | 2.71 | Nolan Ryan | 116.7 | TEX |
| +054+ | 2.71 | Bill Krueger | 101 | SEA |
| +056+ | 2.69 | Jack McDowell | 157.3 | CHA |
| +058+ | 2.66 | Jimmy Key | 129 | TOR |
| +059+ | 2.61 | Bruce Hurst | 154.3 | SDN |
| +061+ | 2.56 | Jim Abbott | 138.7 | ANA |
| +065+ | 2.48 | Todd Stottlemyre | 134 | TOR |
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