| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Welch | OAK | 5.21 | 199105050_CLE_OAK |
| Dennis Martinez | WAS | 4.56 | 199105060_SFN_WAS |
| Ed Whitson | SDN | 3.93 | 199105050_SDN_WAS |
| Doug Drabek | PIT | 3.49 | 199105050_HOU_PIT |
| Bret Saberhagen | KCA | 2.55 | 199105040_TOR_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Melido Perez | CHA | -3.34 | 199105040_BOS_CHA |
| Walt Terrell | DET | -2.73 | 199105050_TEX_DET |
| Jim Abbott | ANA | -2.42 | 199105050_BAL_ANA |
| Jeff Robinson | BAL | -1.83 | 199105040_BAL_ANA |
| Jamie Moyer | SLN | -1.72 | 199105040_SLN_CIN |
Based on accumulated WAA for this season up to 1991-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.93 | Roger Clemens | 41 | BOS |
| +002+ | 2.19 | Mike Morgan | 38.7 | LAN |
| +003+ | 2.18 | Tom Candiotti | 38 | CLE |
| +005+ | 2.09 | Pete Harnisch | 33.7 | HOU |
| +006+ | 2.07 | Scott Erickson | 40 | MIN |
| +008+ | 1.97 | Tom Gordon | 27 | KCA |
| +009+ | 1.91 | Dennis Martinez | 43.7 | WAS |
| +011+ | 1.74 | Charles Nagy | 37.7 | CLE |
| +013+ | 1.71 | Ramon Martinez | 38 | LAN |
| +016+ | 1.65 | Tim Belcher | 32.7 | LAN |
| +017+ | 1.55 | Vicente Palacios | 29.7 | PIT |
| +019+ | 1.54 | Tom Bolton | 25 | BOS |
| +018+ | 1.54 | Frank Viola | 37.3 | NYN |
| +020+ | 1.49 | Tom Browning | 46.7 | CIN |
| +022+ | 1.47 | Jose DeLeon | 36 | SLN |
| +021+ | 1.47 | Jose Mesa | 40.3 | BAL |
| +023+ | 1.44 | Zane Smith | 35.7 | PIT |
| +025+ | 1.37 | Dwight Gooden | 45 | NYN |
| XXXXX | 1.19 | Jimmy Key | 35 | TOR |
| XXXXX | 1.18 | Kevin Tapani | 37 | MIN |
| XXXXX | 1.15 | Norm Charlton | 35.3 | CIN |
| XXXXX | 1.05 | Chris Hammond | 22 | CIN |
| XXXXX | 0.86 | Tom Glavine | 32.3 | ATL |
| XXXXX | 0.78 | Dan Petry | 16.3 | DET |
| XXXXX | 0.68 | Joe Slusarski | 17.3 | OAK |
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