| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.84 | 199109020_KCA_CHA |
| Seattle Mariners | SEA | 2.71 | 199108310_BOS_SEA |
| Baltimore Orioles | BAL | 2.5 | 199108310_BAL_MIN |
| Atlanta Braves | ATL | 1.62 | 199109020_ATL_WAS |
| Los Angeles Dodgers | LAN | 1.19 | 199109020_SLN_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -8.17 | 199109010_DET_OAK |
| New York Yankees | NYA | -1.65 | 199109020_NYA_TEX |
| Texas Rangers | TEX | -1.44 | 199108310_KCA_TEX |
| Boston Red Sox | BOS | -1.41 | 199108310_BOS_SEA |
| Oakland Athletics | OAK | -0.97 | 199109010_DET_OAK |
Based on accumulated WAA for this season up to 1991-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +034+ | 4.17 | Chuck McElroy | 83.3 | CHN |
| +049+ | 3.65 | Mark Eichhorn | 68.7 | ANA |
| +054+ | 3.44 | Todd Frohwirth | 74 | BAL |
| +056+ | 3.42 | Bryan Harvey | 61.7 | ANA |
| +057+ | 3.4 | Mike Flanagan | 87.3 | BAL |
| +059+ | 3.37 | Bill Swift | 73 | SEA |
| +067+ | 3.09 | Scott Terry | 76.3 | SLN |
| +070+ | 3.02 | Carl Willis | 73.7 | MIN |
| +071+ | 2.99 | Mitch Williams | 72 | PHI |
| +074+ | 2.98 | John Habyan | 73 | NYA |
| +078+ | 2.8 | Michael Jackson | 73.7 | SEA |
| +082+ | 2.75 | Jeff Brantley | 75.3 | SFN |
| +085+ | 2.61 | Scott Radinsky | 59 | CHA |
| +090+ | 2.49 | Melido Perez | 118 | CHA |
| +099+ | 2.33 | Rick Aguilera | 59.3 | MIN |
| +101+ | 2.31 | Rob Dibble | 70.3 | CIN |
| +104+ | 2.23 | Jeff Fassero | 45 | WAS |
| +106+ | 2.22 | Mike Stanton | 62.7 | ATL |
| +107+ | 2.21 | Lee Smith | 62.3 | SLN |
| +112+ | 2.19 | Al Osuna | 69.7 | HOU |
| +117+ | 2.15 | Duane Ward | 92 | TOR |
| +118+ | 2.09 | Mike Maddux | 80 | SDN |
| +121+ | 2.06 | Dennis Eckersley | 61 | OAK |
| +124+ | 1.97 | Mike Timlin | 92.3 | TOR |
| +128+ | 1.88 | Jeff Innis | 67.7 | NYN |
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