| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 10.41 | 199107120_BOS_MIN |
| Dennis Martinez | WAS | 8.83 | 199107120_LAN_WAS |
| Doug Drabek | PIT | 4.96 | 199107120_PIT_CIN |
| Mike Morgan | LAN | 4.6 | 199107120_LAN_WAS |
| Frank Viola | NYN | 4.25 | 199107120_SDN_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eric Show | OAK | -3.26 | 199107130_BAL_OAK |
| Alex Fernandez | CHA | -3.26 | 199107120_CHA_MIL |
| Walt Terrell | DET | -3.26 | 199107130_KCA_DET |
| Roy Smith | BAL | -1.31 | 199107140_BAL_OAK |
| Mark Knudson | MIL | -1.21 | 199107140_CHA_MIL |
Based on accumulated WAA for this season up to 1991-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.23 | Tom Glavine | 136 | ATL |
| +002+ | 6.02 | Dennis Martinez | 140 | WAS |
| +004+ | 5.53 | Tom Candiotti | 129.3 | TOT |
| +006+ | 5.14 | Roger Clemens | 140 | BOS |
| +010+ | 4.63 | Pete Harnisch | 123.7 | HOU |
| +013+ | 4.31 | Ramon Martinez | 126.7 | LAN |
| +016+ | 3.95 | Mike Morgan | 125 | LAN |
| +018+ | 3.73 | Jimmy Key | 117.3 | TOR |
| +020+ | 3.67 | David Cone | 128.3 | NYN |
| +022+ | 3.59 | Frank Viola | 139 | NYN |
| +026+ | 3.44 | Greg Swindell | 143 | CLE |
| +031+ | 3.14 | Tim Belcher | 113.7 | LAN |
| +037+ | 2.98 | Doug Drabek | 130.3 | PIT |
| +040+ | 2.83 | Jose DeLeon | 107 | SLN |
| +042+ | 2.77 | Todd Stottlemyre | 123 | TOR |
| +046+ | 2.69 | Nolan Ryan | 102.7 | TEX |
| +048+ | 2.67 | Dennis Rasmussen | 71.3 | SDN |
| +049+ | 2.64 | Bob Tewksbury | 100.3 | SLN |
| +053+ | 2.59 | Dave Wells | 118.7 | TOR |
| +054+ | 2.49 | Tommy Greene | 110 | PHI |
| +057+ | 2.38 | Jack McDowell | 141.3 | CHA |
| +058+ | 2.32 | Zane Smith | 118.3 | PIT |
| +079+ | 1.97 | Kevin Tapani | 125.7 | MIN |
| +082+ | 1.9 | Charlie Leibrandt | 125.3 | ATL |
| +090+ | 1.8 | Jim Abbott | 123.7 | ANA |
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