| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chuck Finley | ANA | 6.21 | 199105010_CLE_ANA |
| Bob Welch | OAK | 4.9 | 199104300_NYA_OAK |
| Bruce Hurst | SDN | 4.67 | 199105010_SDN_NYN |
| Frank Viola | NYN | 4.13 | 199105010_SDN_NYN |
| Doug Drabek | PIT | 3.92 | 199104300_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walt Terrell | DET | -3.13 | 199104300_DET_KCA |
| Derek Lilliquist | SDN | -1.42 | 199104300_SDN_NYN |
| Randy Johnson | SEA | -1.1 | 199105010_SEA_BAL |
| Todd Stottlemyre | TOR | -0.73 | 199105020_TOR_KCA |
| Steve Avery | ATL | -0.66 | 199105010_ATL_SLN |
Based on accumulated WAA for this season up to 1991-05-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.55 | Roger Clemens | 32 | BOS |
| +002+ | 2.2 | Dennis Martinez | 36.7 | WAS |
| +003+ | 2.19 | Tom Candiotti | 38 | CLE |
| +004+ | 2.07 | Scott Erickson | 40 | MIN |
| +008+ | 1.84 | Bob Welch | 40 | OAK |
| +009+ | 1.76 | Mike Morgan | 31.7 | LAN |
| +010+ | 1.64 | Tim Belcher | 32.7 | LAN |
| +011+ | 1.58 | Frank Viola | 37.3 | NYN |
| +012+ | 1.58 | Pete Harnisch | 25.7 | HOU |
| +018+ | 1.39 | Charles Nagy | 28.7 | CLE |
| XXXXX | 1.23 | Chris Bosio | 36 | MIL |
| XXXXX | 1.19 | Tom Browning | 38.7 | CIN |
| XXXXX | 1.17 | Kevin Tapani | 37 | MIN |
| XXXXX | 1.16 | Jimmy Key | 35 | TOR |
| XXXXX | 1.14 | Vicente Palacios | 22.7 | PIT |
| XXXXX | 1.13 | Dwight Gooden | 37 | NYN |
| XXXXX | 1.1 | Ramon Martinez | 29 | LAN |
| XXXXX | 1.03 | Chris Hammond | 22 | CIN |
| XXXXX | 0.98 | Jose DeLeon | 28.3 | SLN |
| XXXXX | 0.96 | Shawn Boskie | 28 | CHN |
| XXXXX | 0.95 | John Smiley | 27.7 | PIT |
| XXXXX | 0.95 | Tom Bolton | 18.3 | BOS |
| XXXXX | 0.88 | Dan Petry | 15 | DET |
| XXXXX | 0.81 | Norm Charlton | 29.3 | CIN |
| XXXXX | 0.76 | Tom Glavine | 26.3 | ATL |
_