| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 3.57 | 199109200_ANA_CHA |
| Baltimore Orioles | BAL | 2.72 | 199109200_BAL_CLE |
| Los Angeles Dodgers | LAN | 2.56 | 199109180_HOU_LAN |
| New York Yankees | NYA | 2.26 | 199109180_MIL_NYA |
| San Diego Padres | SDN | 2.24 | 199109190_ATL_SDN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | -5.77 | 199109191_ANA_TEX |
| Detroit Tigers | DET | -4.69 | 199109180_DET_CLE |
| Boston Red Sox | BOS | -3.02 | 199109180_BAL_BOS |
| Oakland Athletics | OAK | -3.01 | 199109180_OAK_CHA |
| St. Louis Cardinals | SLN | -0.92 | 199109200_SLN_NYN |
Based on accumulated WAA for this season up to 1991-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +038+ | 4.51 | Chuck McElroy | 90 | CHN |
| +042+ | 4.2 | Todd Frohwirth | 85.3 | BAL |
| +059+ | 3.56 | John Habyan | 82 | NYA |
| +061+ | 3.51 | Bryan Harvey | 70.3 | ANA |
| +065+ | 3.43 | Mark Eichhorn | 76.3 | ANA |
| +067+ | 3.37 | Mike Flanagan | 94.7 | BAL |
| +072+ | 3.33 | Bill Swift | 83 | SEA |
| +080+ | 3.16 | Mitch Williams | 79 | PHI |
| +083+ | 3 | Mike Maddux | 90.7 | SDN |
| +091+ | 2.74 | Scott Radinsky | 63.3 | CHA |
| +092+ | 2.73 | Alejandro Pena | 75.3 | TOT |
| +095+ | 2.65 | Rick Aguilera | 63.3 | MIN |
| +096+ | 2.62 | Carl Willis | 83.7 | MIN |
| +097+ | 2.6 | Melido Perez | 127.3 | CHA |
| +099+ | 2.6 | Jeff Brantley | 83.3 | SFN |
| +100+ | 2.59 | Jeff Innis | 76 | NYN |
| +109+ | 2.45 | Jeff Fassero | 50 | WAS |
| +118+ | 2.29 | Steve Farr | 63.7 | NYA |
| +120+ | 2.27 | Duane Ward | 101.7 | TOR |
| +122+ | 2.23 | Donn Pall | 62.3 | CHA |
| +124+ | 2.19 | Mike Magnante | 50 | KCA |
| +127+ | 2.13 | Lee Smith | 66.3 | SLN |
| +132+ | 1.97 | Jeff Montgomery | 85 | KCA |
| +133+ | 1.97 | Mike Stanton | 69.7 | ATL |
| +137+ | 1.92 | Roger McDowell | 95.3 | TOT |
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