| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 6.95 | 199105230_BOS_DET |
| Chuck Finley | ANA | 5.05 | 199105240_TOR_ANA |
| Ramon Martinez | LAN | 4.82 | 199105240_LAN_CIN |
| Frank Viola | NYN | 4.31 | 199105220_CHN_NYN |
| Tom Candiotti | CLE | 3.84 | 199105220_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Morris | MIN | -5.32 | 199105240_KCA_MIN |
| Andy Hawkins | OAK | -4.34 | 199105230_CHA_OAK |
| Don August | MIL | -1.95 | 199105230_CLE_MIL |
| Charlie Hough | CHA | -1.57 | 199105220_CHA_ANA |
| Jeff Robinson | BAL | -1.22 | 199105240_NYA_BAL |
Based on accumulated WAA for this season up to 1991-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.2 | Scott Erickson | 69.3 | MIN |
| +003+ | 3.15 | Dennis Martinez | 67.7 | WAS |
| +004+ | 3.04 | Tom Gordon | 52.3 | KCA |
| +006+ | 2.72 | Ramon Martinez | 65 | LAN |
| +010+ | 2.42 | Mike Morgan | 59.3 | LAN |
| +011+ | 2.37 | Tom Glavine | 63.3 | ATL |
| +013+ | 2.24 | Jimmy Key | 60.7 | TOR |
| +015+ | 2.18 | Greg Swindell | 67.7 | CLE |
| +017+ | 2.14 | Roger Clemens | 69 | BOS |
| +020+ | 2.02 | Frank Viola | 65.7 | NYN |
| +021+ | 1.95 | Tom Candiotti | 65 | CLE |
| +025+ | 1.87 | Zane Smith | 61 | PIT |
| +030+ | 1.69 | Jose DeLeon | 51.7 | SLN |
| +029+ | 1.69 | Chris Bosio | 61.7 | MIL |
| +035+ | 1.56 | Pete Harnisch | 58 | HOU |
| +037+ | 1.53 | Dave Wells | 52.7 | TOR |
| +043+ | 1.44 | Randy Tomlin | 35 | PIT |
| +044+ | 1.43 | Bob Scanlan | 28.3 | CHN |
| +051+ | 1.36 | Charlie Leibrandt | 59 | ATL |
| +057+ | 1.27 | Jimmy Jones | 50 | HOU |
| +058+ | 1.27 | Dwight Gooden | 66.7 | NYN |
| XXXXX | 1.25 | Tim Belcher | 51 | LAN |
| XXXXX | 1.17 | Todd Stottlemyre | 51 | TOR |
| XXXXX | 1.15 | Tommy Greene | 42.7 | PHI |
| XXXXX | 1.1 | Jim Acker | 29 | TOR |
_