| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 6.44 | 199105280_BOS_NYA |
| Dennis Martinez | WAS | 6.44 | 199105260_WAS_CHN |
| Frank Viola | NYN | 3.92 | 199105270_NYN_CHN |
| Bruce Hurst | SDN | 3.82 | 199105270_ATL_SDN |
| Doug Drabek | PIT | 3.47 | 199105270_PIT_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don August | MIL | -2 | 199105280_DET_MIL |
| Alex Fernandez | CHA | -1.7 | 199105260_CHA_OAK |
| Pete Smith | ATL | -1.14 | 199105280_ATL_SDN |
| Chuck Cary | NYA | -1.12 | 199105260_NYA_BAL |
| Frank Tanana | DET | -1.02 | 199105280_DET_MIL |
Based on accumulated WAA for this season up to 1991-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.04 | Scott Erickson | 77.3 | MIN |
| +004+ | 3.05 | Mike Morgan | 67.3 | LAN |
| +005+ | 3.04 | Dennis Martinez | 74 | WAS |
| +006+ | 2.97 | Tom Gordon | 57.7 | KCA |
| +007+ | 2.83 | Ramon Martinez | 65 | LAN |
| +008+ | 2.82 | Roger Clemens | 77 | BOS |
| +011+ | 2.58 | Frank Viola | 73 | NYN |
| +014+ | 2.49 | Tom Candiotti | 72 | CLE |
| +015+ | 2.48 | Tom Glavine | 63.3 | ATL |
| +016+ | 2.36 | Jimmy Key | 60.7 | TOR |
| +024+ | 2.01 | Tommy Greene | 51.7 | PHI |
| +026+ | 1.93 | Zane Smith | 61 | PIT |
| +027+ | 1.87 | Jimmy Jones | 58 | HOU |
| +030+ | 1.8 | Greg Swindell | 73.7 | CLE |
| +038+ | 1.67 | Chris Bosio | 68.3 | MIL |
| +039+ | 1.66 | Pete Harnisch | 58 | HOU |
| +044+ | 1.61 | Bret Saberhagen | 70.3 | KCA |
| +048+ | 1.56 | Tim Belcher | 58 | LAN |
| +056+ | 1.48 | Bob Scanlan | 28.3 | CHN |
| +055+ | 1.48 | Jose Rijo | 65 | CIN |
| +072+ | 1.28 | Todd Stottlemyre | 58 | TOR |
| XXXXX | 1.25 | Tom Browning | 71.7 | CIN |
| XXXXX | 1.21 | Bob Welch | 73.3 | OAK |
| XXXXX | 1.15 | John Smiley | 54.7 | PIT |
| XXXXX | 1.15 | Randy Tomlin | 38.3 | PIT |
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