| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roger Clemens | BOS | 9.26 | 199105130_CHA_BOS |
| Chuck Finley | ANA | 5.16 | 199105130_ANA_CLE |
| Ramon Martinez | LAN | 4.13 | 199105130_WAS_LAN |
| Dennis Martinez | WAS | 3.93 | 199105110_WAS_SDN |
| Bruce Hurst | SDN | 3.91 | 199105120_WAS_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Abbott | ANA | -2.41 | 199105110_ANA_CLE |
| Charlie Hough | CHA | -1.55 | 199105110_CHA_TOR |
| Storm Davis | KCA | -1.29 | 199105130_KCA_TOR |
| Randy Johnson | SEA | -1.15 | 199105120_BAL_SEA |
| Steve Searcy | DET | -1.15 | 199105110_DET_MIN |
Based on accumulated WAA for this season up to 1991-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.72 | Roger Clemens | 57 | BOS |
| +002+ | 3.35 | Tom Candiotti | 53 | CLE |
| +003+ | 3.12 | Scott Erickson | 56 | MIN |
| +004+ | 2.64 | Mike Morgan | 45.7 | LAN |
| +005+ | 2.61 | Ramon Martinez | 52.3 | LAN |
| +007+ | 2.43 | Dennis Martinez | 52.7 | WAS |
| +008+ | 2.31 | Tom Gordon | 35 | KCA |
| +010+ | 2.29 | Pete Harnisch | 40.7 | HOU |
| +017+ | 1.76 | Zane Smith | 43.7 | PIT |
| +021+ | 1.66 | Frank Viola | 50.3 | NYN |
| +024+ | 1.49 | Jose DeLeon | 40.3 | SLN |
| +026+ | 1.46 | Tom Glavine | 48.3 | ATL |
| +029+ | 1.41 | Greg Swindell | 50 | CLE |
| +030+ | 1.4 | Dan Petry | 23 | DET |
| +032+ | 1.39 | Jimmy Key | 47 | TOR |
| +040+ | 1.26 | Vicente Palacios | 35.7 | PIT |
| XXXXX | 1.23 | Bret Saberhagen | 46.3 | KCA |
| XXXXX | 1.21 | Tom Bolton | 30.7 | BOS |
| XXXXX | 1.21 | Jose Rijo | 47 | CIN |
| XXXXX | 1.21 | Kevin Tapani | 44 | MIN |
| XXXXX | 1.17 | Jose Mesa | 47.7 | BAL |
| XXXXX | 1.12 | Dwight Gooden | 51.3 | NYN |
| XXXXX | 1.02 | Chris Hammond | 33 | CIN |
| XXXXX | 1 | Nolan Ryan | 49 | TEX |
| XXXXX | 0.91 | Steve Avery | 42 | ATL |
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