| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 6.08 | 199105310_CHN_WAS |
| Ramon Martinez | LAN | 4.76 | 199105300_CIN_LAN |
| Frank Viola | NYN | 4.72 | 199106010_NYN_SLN |
| Bret Saberhagen | KCA | 4.31 | 199105310_MIN_KCA |
| Bruce Hurst | SDN | 4.09 | 199106010_HOU_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Andy Hawkins | OAK | -5.16 | 199106010_OAK_CHA |
| Allan Anderson | MIN | -1.79 | 199106010_MIN_KCA |
| Alex Fernandez | CHA | -1.69 | 199106010_OAK_CHA |
| Bill Wegman | MIL | -1.41 | 199106010_MIL_NYA |
| Scott Lewis | ANA | -1.23 | 199106010_ANA_TOR |
Based on accumulated WAA for this season up to 1991-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.12 | Scott Erickson | 77.3 | MIN |
| +004+ | 3.14 | Tom Glavine | 72.3 | ATL |
| +006+ | 3.02 | Tom Gordon | 57.7 | KCA |
| +007+ | 2.88 | Roger Clemens | 77 | BOS |
| +008+ | 2.85 | Mike Morgan | 74 | LAN |
| +010+ | 2.79 | Zane Smith | 70 | PIT |
| +011+ | 2.69 | Greg Swindell | 82.7 | CLE |
| +012+ | 2.61 | Dennis Martinez | 78 | WAS |
| +014+ | 2.56 | Tom Candiotti | 72 | CLE |
| +015+ | 2.53 | Frank Viola | 79 | NYN |
| +020+ | 2.32 | Jimmy Key | 66.7 | TOR |
| +021+ | 2.29 | Bret Saberhagen | 79.3 | KCA |
| +022+ | 2.2 | Chris Bosio | 73.7 | MIL |
| +023+ | 2.17 | Pete Harnisch | 65 | HOU |
| +027+ | 2.06 | Tommy Greene | 51.7 | PHI |
| +026+ | 2.06 | Ramon Martinez | 70 | LAN |
| +032+ | 1.88 | Charlie Leibrandt | 72.3 | ATL |
| +035+ | 1.83 | Gerald Alexander | 32.3 | TEX |
| +039+ | 1.79 | Jimmy Jones | 65.3 | HOU |
| +053+ | 1.58 | Tim Belcher | 58 | LAN |
| +062+ | 1.48 | Dave Wells | 64.3 | TOR |
| +065+ | 1.43 | Greg Maddux | 81.3 | CHN |
| +067+ | 1.41 | Bruce Hurst | 81.3 | SDN |
| +075+ | 1.25 | Jose Rijo | 71 | CIN |
| XXXXX | 1.22 | John Smiley | 59.7 | PIT |
_