| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 6.44 | 199105260_WAS_CHN |
| Chuck Finley | ANA | 5.05 | 199105240_TOR_ANA |
| Ramon Martinez | LAN | 4.82 | 199105240_LAN_CIN |
| Bob Welch | OAK | 3.65 | 199105250_CHA_OAK |
| Bret Saberhagen | KCA | 3.33 | 199105260_KCA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Morris | MIN | -5.32 | 199105240_KCA_MIN |
| Melido Perez | CHA | -3.9 | 199105250_CHA_OAK |
| Kevin Gross | LAN | -3.35 | 199105250_LAN_CIN |
| Walt Terrell | DET | -3.33 | 199105250_BOS_DET |
| Bill Wegman | MIL | -1.32 | 199105260_CLE_MIL |
Based on accumulated WAA for this season up to 1991-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.25 | Scott Erickson | 69.3 | MIN |
| +003+ | 3.07 | Tom Gordon | 52.3 | KCA |
| +004+ | 2.96 | Dennis Martinez | 74 | WAS |
| +005+ | 2.78 | Ramon Martinez | 65 | LAN |
| +009+ | 2.48 | Mike Morgan | 59.3 | LAN |
| +010+ | 2.42 | Tom Glavine | 63.3 | ATL |
| +014+ | 2.31 | Jimmy Key | 60.7 | TOR |
| +016+ | 2.23 | Roger Clemens | 69 | BOS |
| +017+ | 2.07 | Frank Viola | 65.7 | NYN |
| +019+ | 2 | Tom Candiotti | 65 | CLE |
| +023+ | 1.88 | Zane Smith | 61 | PIT |
| +025+ | 1.8 | Jimmy Jones | 58 | HOU |
| +030+ | 1.73 | Jose DeLeon | 51.7 | SLN |
| +032+ | 1.72 | Greg Swindell | 73.7 | CLE |
| +034+ | 1.68 | Chris Bosio | 68.3 | MIL |
| +039+ | 1.59 | Pete Harnisch | 58 | HOU |
| +041+ | 1.56 | Bret Saberhagen | 70.3 | KCA |
| +049+ | 1.46 | Bob Scanlan | 28.3 | CHN |
| +050+ | 1.45 | Randy Tomlin | 35 | PIT |
| +056+ | 1.3 | Tim Belcher | 51 | LAN |
| XXXXX | 1.23 | Todd Stottlemyre | 58 | TOR |
| XXXXX | 1.18 | Tommy Greene | 42.7 | PHI |
| XXXXX | 1.17 | Tom Browning | 71.7 | CIN |
| XXXXX | 1.15 | Bob Welch | 73.3 | OAK |
| XXXXX | 1.11 | John Smiley | 54.7 | PIT |
_