| 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 |
| Bruce Hurst | SDN | 3.91 | 199105120_WAS_SDN |
| Zane Smith | PIT | 3.57 | 199105140_PIT_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Morris | MIN | -5.83 | 199105140_MIL_MIN |
| Kevin Gross | LAN | -4.1 | 199105140_WAS_LAN |
| Melido Perez | CHA | -2.72 | 199105140_CHA_BOS |
| Jeff Robinson | BAL | -2.23 | 199105140_OAK_BAL |
| Eric Nolte | SDN | -1.49 | 199105140_NYN_SDN |
Based on accumulated WAA for this season up to 1991-05-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.69 | Roger Clemens | 57 | BOS |
| +002+ | 3.32 | Tom Candiotti | 53 | CLE |
| +003+ | 3.09 | Scott Erickson | 56 | MIN |
| +004+ | 2.61 | Mike Morgan | 45.7 | LAN |
| +005+ | 2.58 | Ramon Martinez | 52.3 | LAN |
| +008+ | 2.43 | Dennis Martinez | 52.7 | WAS |
| +009+ | 2.3 | Tom Gordon | 35 | KCA |
| +011+ | 1.92 | Tom Bolton | 39 | BOS |
| +012+ | 1.9 | Zane Smith | 50.3 | PIT |
| +014+ | 1.87 | Pete Harnisch | 45.7 | HOU |
| +023+ | 1.64 | Frank Viola | 50.3 | NYN |
| +028+ | 1.47 | Jose DeLeon | 40.3 | SLN |
| +029+ | 1.46 | Tom Glavine | 48.3 | ATL |
| +034+ | 1.38 | Greg Swindell | 50 | CLE |
| +035+ | 1.37 | Jimmy Key | 47 | TOR |
| XXXXX | 1.24 | Vicente Palacios | 35.7 | PIT |
| XXXXX | 1.22 | Bret Saberhagen | 46.3 | KCA |
| XXXXX | 1.19 | Jose Rijo | 47 | CIN |
| XXXXX | 1.18 | Kevin Tapani | 44 | MIN |
| XXXXX | 1.14 | Jose Mesa | 47.7 | BAL |
| XXXXX | 1.1 | Dwight Gooden | 51.3 | NYN |
| XXXXX | 1.01 | Chris Hammond | 33 | CIN |
| XXXXX | 1 | Terry Mulholland | 58 | PHI |
| XXXXX | 0.97 | Nolan Ryan | 49 | TEX |
| XXXXX | 0.97 | Dan Petry | 27.7 | DET |
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