| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | 3.43 | 199107280_NYN_SDN |
| Seattle Mariners | SEA | 3.19 | 199107300_BAL_SEA |
| Toronto Blue Jays | TOR | 3.09 | 199107280_KCA_TOR |
| Chicago White Sox | CHA | 1.57 | 199107300_CHA_TOR |
| Pittsburgh Pirates | PIT | 1.25 | 199107280_PIT_HOU |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -3.74 | 199107300_BAL_SEA |
| Texas Rangers | TEX | -2.72 | 199107290_TEX_BOS |
| Kansas City Royals | KCA | -1.96 | 199107300_KCA_MIL |
| Milwaukee Brewers | MIL | -1.77 | 199107300_KCA_MIL |
| Philadelphia Phillies | PHI | -1.55 | 199107300_SDN_PHI |
Based on accumulated WAA for this season up to 1991-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +031+ | 3.57 | Mark Eichhorn | 55 | ANA |
| +035+ | 3.23 | Chuck McElroy | 61.7 | CHN |
| +048+ | 2.93 | Scott Terry | 54.7 | SLN |
| +050+ | 2.85 | Mike Flanagan | 70.3 | BAL |
| +062+ | 2.56 | Steve Farr | 46.3 | NYA |
| +065+ | 2.53 | Mike Maddux | 62.3 | SDN |
| +067+ | 2.52 | Juan Berenguer | 57.3 | ATL |
| +069+ | 2.35 | Bill Swift | 55.3 | SEA |
| +071+ | 2.33 | Bryan Harvey | 46 | ANA |
| +072+ | 2.32 | Jeff Gray | 61.7 | BOS |
| +080+ | 2.24 | Rob Dibble | 49.3 | CIN |
| +081+ | 2.23 | Steve Howe | 42.7 | NYA |
| +085+ | 2.16 | Todd Frohwirth | 46.7 | BAL |
| +084+ | 2.16 | Melido Perez | 95.7 | CHA |
| +089+ | 2.15 | Kent Mercker | 46.3 | ATL |
| +087+ | 2.15 | Duane Ward | 69.7 | TOR |
| +092+ | 2.09 | John Habyan | 55 | NYA |
| +093+ | 2.08 | Al Osuna | 52.7 | HOU |
| +100+ | 1.91 | Mike Henneman | 64.3 | DET |
| +105+ | 1.84 | Jeff Fassero | 32 | WAS |
| +104+ | 1.84 | Carl Willis | 50 | MIN |
| +115+ | 1.75 | Lee Guetterman | 46.7 | NYA |
| +124+ | 1.6 | Lee Smith | 49.3 | SLN |
| +126+ | 1.57 | Russ Swan | 56 | SEA |
| +128+ | 1.56 | Alejandro Pena | 46.7 | NYN |
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