| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | 3.74 | 199109290_BAL_DET |
| Chicago White Sox | CHA | 2.93 | 199109290_SEA_CHA |
| Los Angeles Dodgers | LAN | 1.68 | 199109290_SFN_LAN |
| Chicago Cubs | CHN | 1.66 | 199109290_CHN_SLN |
| New York Yankees | NYA | 1.18 | 199109290_NYA_CLE |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | -4.23 | 199109301_SEA_TEX |
| Detroit Tigers | DET | -3.92 | 199109290_BAL_DET |
| Milwaukee Brewers | MIL | -3.56 | 199109290_BOS_MIL |
| Oakland Athletics | OAK | -2.89 | 199109300_OAK_KCA |
| Boston Red Sox | BOS | -1.66 | 199110010_DET_BOS |
Based on accumulated WAA for this season up to 1991-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +034+ | 4.83 | Todd Frohwirth | 92.3 | BAL |
| +040+ | 4.62 | Chuck McElroy | 100.7 | CHN |
| +054+ | 4.15 | Bryan Harvey | 77.3 | ANA |
| +065+ | 3.63 | Bill Swift | 89 | SEA |
| +066+ | 3.54 | Mike Flanagan | 96.7 | BAL |
| +070+ | 3.47 | Mark Eichhorn | 79 | ANA |
| +071+ | 3.34 | John Smiley | 200.7 | PIT |
| +075+ | 3.19 | John Habyan | 87.3 | NYA |
| +080+ | 3.15 | Scott Radinsky | 68 | CHA |
| +087+ | 3.04 | Mike Maddux | 95.7 | SDN |
| +090+ | 3.01 | Jeff Brantley | 92.3 | SFN |
| +093+ | 2.98 | Mitch Williams | 86.3 | PHI |
| +094+ | 2.96 | Carl Willis | 87.3 | MIN |
| +095+ | 2.94 | Alejandro Pena | 80.3 | TOT |
| +103+ | 2.64 | Lee Smith | 72 | SLN |
| +105+ | 2.62 | Steve Farr | 67.3 | NYA |
| +106+ | 2.61 | Donn Pall | 66.7 | CHA |
| +107+ | 2.6 | Duane Ward | 105.3 | TOR |
| +109+ | 2.59 | Norm Charlton | 108.3 | CIN |
| +112+ | 2.53 | Jeff Innis | 82.7 | NYN |
| +113+ | 2.5 | Rick Aguilera | 66.3 | MIN |
| +116+ | 2.5 | Melido Perez | 133.3 | CHA |
| +122+ | 2.37 | Roger McDowell | 100.3 | TOT |
| +123+ | 2.34 | Jeff Fassero | 53.3 | WAS |
| +132+ | 2.23 | Jeff Montgomery | 90 | KCA |
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