| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dennis Martinez | WAS | 6.08 | 199105310_CHN_WAS |
| Chuck Finley | ANA | 4.89 | 199105290_ANA_CHA |
| Ramon Martinez | LAN | 4.76 | 199105300_CIN_LAN |
| Bret Saberhagen | KCA | 4.31 | 199105310_MIN_KCA |
| Bob Welch | OAK | 3.72 | 199105300_OAK_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Morris | MIN | -4.3 | 199105290_MIN_TEX |
| Walt Terrell | DET | -2.87 | 199105290_DET_MIL |
| Jeff Robinson | BAL | -1.54 | 199105290_CLE_BAL |
| Dennis Rasmussen | SDN | -0.86 | 199105300_HOU_SDN |
| Scott Scudder | CIN | -0.74 | 199105300_CIN_LAN |
Based on accumulated WAA for this season up to 1991-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.09 | Scott Erickson | 77.3 | MIN |
| +003+ | 3.1 | Tom Glavine | 72.3 | ATL |
| +004+ | 3.06 | Mike Morgan | 67.3 | LAN |
| +006+ | 3 | Tom Gordon | 57.7 | KCA |
| +008+ | 2.86 | Roger Clemens | 77 | BOS |
| +010+ | 2.77 | Zane Smith | 70 | PIT |
| +012+ | 2.6 | Frank Viola | 73 | NYN |
| +013+ | 2.6 | Dennis Martinez | 78 | WAS |
| +015+ | 2.53 | Tom Candiotti | 72 | CLE |
| +019+ | 2.3 | Jimmy Key | 66.7 | TOR |
| +020+ | 2.27 | Bret Saberhagen | 79.3 | KCA |
| +021+ | 2.17 | Chris Bosio | 73.7 | MIL |
| +023+ | 2.14 | Pete Harnisch | 65 | HOU |
| +026+ | 2.05 | Ramon Martinez | 70 | LAN |
| +027+ | 2.03 | Tommy Greene | 51.7 | PHI |
| +030+ | 1.84 | Greg Swindell | 73.7 | CLE |
| +031+ | 1.84 | Charlie Leibrandt | 72.3 | ATL |
| +036+ | 1.82 | Gerald Alexander | 32.3 | TEX |
| +039+ | 1.75 | Jimmy Jones | 65.3 | HOU |
| +049+ | 1.57 | Tim Belcher | 58 | LAN |
| +052+ | 1.53 | Jose Rijo | 65 | CIN |
| +060+ | 1.45 | Dave Wells | 64.3 | TOR |
| XXXXX | 1.17 | John Smiley | 54.7 | PIT |
| XXXXX | 1.16 | Randy Tomlin | 38.3 | PIT |
| XXXXX | 1.15 | Bud Black | 83 | SFN |
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