| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 3.9 | 199109210_ANA_CHA |
| Baltimore Orioles | BAL | 2.72 | 199109200_BAL_CLE |
| Los Angeles Dodgers | LAN | 2.37 | 199109190_HOU_LAN |
| San Diego Padres | SDN | 2.24 | 199109190_ATL_SDN |
| New York Yankees | NYA | 1.97 | 199109200_NYA_BOS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | -5.77 | 199109191_ANA_TEX |
| Detroit Tigers | DET | -2.76 | 199109200_MIL_DET |
| Oakland Athletics | OAK | -2.18 | 199109200_TOR_OAK |
| Boston Red Sox | BOS | -1.25 | 199109210_NYA_BOS |
| St. Louis Cardinals | SLN | -1 | 199109210_SLN_NYN |
Based on accumulated WAA for this season up to 1991-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +039+ | 4.51 | Chuck McElroy | 90 | CHN |
| +045+ | 4.2 | Todd Frohwirth | 85.3 | BAL |
| +057+ | 3.63 | Bryan Harvey | 71.7 | ANA |
| +060+ | 3.56 | John Habyan | 82 | NYA |
| +064+ | 3.49 | Mark Eichhorn | 77 | ANA |
| +068+ | 3.37 | Mike Flanagan | 94.7 | BAL |
| +078+ | 3.17 | Bill Swift | 83.7 | SEA |
| +079+ | 3.16 | Mitch Williams | 79 | PHI |
| +085+ | 2.91 | Mike Maddux | 92 | SDN |
| +090+ | 2.8 | Scott Radinsky | 64 | CHA |
| +093+ | 2.78 | Jeff Brantley | 85.3 | SFN |
| +094+ | 2.72 | Alejandro Pena | 75.3 | TOT |
| +096+ | 2.66 | Melido Perez | 128 | CHA |
| +097+ | 2.65 | Rick Aguilera | 63.3 | MIN |
| +098+ | 2.62 | Carl Willis | 83.7 | MIN |
| +102+ | 2.58 | Jeff Innis | 76 | NYN |
| +109+ | 2.44 | Jeff Fassero | 50 | WAS |
| +117+ | 2.29 | Steve Farr | 63.7 | NYA |
| +119+ | 2.27 | Duane Ward | 101.7 | TOR |
| +123+ | 2.23 | Donn Pall | 62.3 | CHA |
| +125+ | 2.19 | Mike Magnante | 50 | KCA |
| +130+ | 2.12 | Lee Smith | 66.3 | SLN |
| +134+ | 2 | Roger McDowell | 96.3 | TOT |
| +136+ | 1.97 | Rob Dibble | 78.7 | CIN |
| +138+ | 1.97 | Jeff Montgomery | 85 | KCA |
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