| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walt Terrell | DET | -3.12 | 199105150_DET_TEX |
| Charlie Hough | CHA | -1.84 | 199105170_TOR_CHA |
| Jim Abbott | ANA | -1.81 | 199105160_ANA_NYA |
| Randy Johnson | SEA | -1.56 | 199105170_SEA_NYA |
| Bill Wegman | MIL | -0.91 | 199105160_MIL_MIN |
Based on accumulated WAA for this season up to 1991-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.75 | Roger Clemens | 57 | BOS |
| +002+ | 3.48 | Scott Erickson | 62.3 | MIN |
| +003+ | 3.22 | Tom Candiotti | 61 | CLE |
| +005+ | 2.61 | Ramon Martinez | 52.3 | LAN |
| +006+ | 2.46 | Mike Morgan | 53 | LAN |
| +007+ | 2.43 | Tom Gordon | 43.3 | KCA |
| +009+ | 2.39 | Dennis Martinez | 58.7 | WAS |
| +011+ | 2.25 | Frank Viola | 59.3 | NYN |
| +014+ | 1.96 | Tom Bolton | 39 | BOS |
| +015+ | 1.95 | Zane Smith | 50.3 | PIT |
| +016+ | 1.92 | Dwight Gooden | 60.3 | NYN |
| +017+ | 1.9 | Pete Harnisch | 45.7 | HOU |
| +029+ | 1.55 | Greg Swindell | 58.7 | CLE |
| +030+ | 1.53 | Bret Saberhagen | 54.3 | KCA |
| +031+ | 1.51 | Tom Glavine | 48.3 | ATL |
| +035+ | 1.41 | Jimmy Key | 47 | TOR |
| +036+ | 1.39 | Jose DeLeon | 46.3 | SLN |
| +037+ | 1.33 | Chris Bosio | 53.7 | MIL |
| XXXXX | 1.13 | Jose Rijo | 53 | CIN |
| XXXXX | 1.04 | Chris Hammond | 33 | CIN |
| XXXXX | 0.99 | Kevin Tapani | 51 | MIN |
| XXXXX | 0.98 | Brian Holman | 49.7 | SEA |
| XXXXX | 0.97 | Dan Petry | 27.7 | DET |
| XXXXX | 0.96 | Nolan Ryan | 49 | TEX |
| XXXXX | 0.95 | Terry Mulholland | 58 | PHI |
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