| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.47 | 199109080_CHA_TEX |
| Seattle Mariners | SEA | 1.98 | 199109070_SEA_BOS |
| Baltimore Orioles | BAL | 1.88 | 199109060_KCA_BAL |
| California Angels | ANA | 1.78 | 199109080_MIL_ANA |
| Los Angeles Dodgers | LAN | 1.2 | 199109080_LAN_PIT |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -8.11 | 199109060_OAK_DET |
| Texas Rangers | TEX | -2.73 | 199109080_CHA_TEX |
| Oakland Athletics | OAK | -1.98 | 199109070_OAK_DET |
| Philadelphia Phillies | PHI | -1.64 | 199109080_PHI_HOU |
| New York Yankees | NYA | -0.89 | 199109080_NYA_MIN |
Based on accumulated WAA for this season up to 1991-09-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +033+ | 4.25 | Chuck McElroy | 84.3 | CHN |
| +040+ | 4 | Mark Eichhorn | 72.7 | ANA |
| +052+ | 3.68 | Bryan Harvey | 64.7 | ANA |
| +056+ | 3.58 | Bill Swift | 77.7 | SEA |
| +057+ | 3.54 | Mike Flanagan | 91.3 | BAL |
| +063+ | 3.3 | Todd Frohwirth | 75 | BAL |
| +070+ | 2.98 | Mitch Williams | 72 | PHI |
| +072+ | 2.97 | John Habyan | 75.3 | NYA |
| +081+ | 2.76 | Carl Willis | 75.7 | MIN |
| +082+ | 2.75 | Scott Radinsky | 60.7 | CHA |
| +085+ | 2.67 | Rob Dibble | 74.3 | CIN |
| +090+ | 2.61 | Melido Perez | 122 | CHA |
| +091+ | 2.58 | Steve Howe | 48.3 | NYA |
| +096+ | 2.52 | Jeff Brantley | 80 | SFN |
| +100+ | 2.43 | Mike Maddux | 84 | SDN |
| +099+ | 2.43 | Rick Aguilera | 60.7 | MIN |
| +104+ | 2.36 | Duane Ward | 94.7 | TOR |
| +105+ | 2.36 | Al Osuna | 71.7 | HOU |
| +108+ | 2.34 | Alejandro Pena | 70.7 | TOT |
| +118+ | 2.21 | Lee Smith | 62.3 | SLN |
| +119+ | 2.19 | Jeff Innis | 71.3 | NYN |
| +120+ | 2.19 | Jeff Fassero | 47 | WAS |
| +123+ | 2.13 | Kent Mercker | 55 | ATL |
| +131+ | 2.01 | Scott Terry | 78.3 | SLN |
| +134+ | 1.97 | Jeff Shaw | 64.3 | CLE |
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