| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 7.89 | 199105030_BOS_CHA |
| Chuck Finley | ANA | 6.21 | 199105010_CLE_ANA |
| Bruce Hurst | SDN | 4.67 | 199105010_SDN_NYN |
| Frank Viola | NYN | 4.13 | 199105010_SDN_NYN |
| Jose Rijo | CIN | 2.51 | 199105010_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Morris | MIN | -4.8 | 199105030_MIN_MIL |
| Storm Davis | KCA | -1.25 | 199105030_TOR_KCA |
| Randy Johnson | SEA | -1.1 | 199105010_SEA_BAL |
| Scott Sanderson | NYA | -0.89 | 199105030_NYA_SEA |
| Ken Hill | SLN | -0.79 | 199105030_SLN_CIN |
Based on accumulated WAA for this season up to 1991-05-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.88 | Roger Clemens | 41 | BOS |
| +002+ | 2.17 | Dennis Martinez | 36.7 | WAS |
| +003+ | 2.14 | Tom Candiotti | 38 | CLE |
| +005+ | 2.05 | Pete Harnisch | 33.7 | HOU |
| +004+ | 2.05 | Scott Erickson | 40 | MIN |
| +009+ | 1.78 | Bob Welch | 40 | OAK |
| +010+ | 1.73 | Mike Morgan | 31.7 | LAN |
| +011+ | 1.69 | Charles Nagy | 37.7 | CLE |
| +012+ | 1.66 | Ramon Martinez | 38 | LAN |
| +013+ | 1.61 | Tim Belcher | 32.7 | LAN |
| +014+ | 1.55 | Frank Viola | 37.3 | NYN |
| +018+ | 1.41 | Zane Smith | 35.7 | PIT |
| XXXXX | 1.21 | Chris Bosio | 36 | MIL |
| XXXXX | 1.16 | Kevin Tapani | 37 | MIN |
| XXXXX | 1.16 | Tom Browning | 38.7 | CIN |
| XXXXX | 1.14 | Jimmy Key | 35 | TOR |
| XXXXX | 1.12 | Vicente Palacios | 22.7 | PIT |
| XXXXX | 1.1 | Dwight Gooden | 37 | NYN |
| XXXXX | 1.09 | Norm Charlton | 35.3 | CIN |
| XXXXX | 1.02 | Chris Hammond | 22 | CIN |
| XXXXX | 0.96 | Jose DeLeon | 28.3 | SLN |
| XXXXX | 0.94 | Tom Bolton | 18.3 | BOS |
| XXXXX | 0.92 | John Smiley | 27.7 | PIT |
| XXXXX | 0.85 | Dan Petry | 15 | DET |
| XXXXX | 0.83 | Tom Glavine | 32.3 | ATL |
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