| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | 3.11 | 199110010_BAL_NYA |
| New York Yankees | NYA | 1.55 | 199110030_BAL_NYA |
| Los Angeles Dodgers | LAN | 1.47 | 199110010_SDN_LAN |
| Chicago Cubs | CHN | 1.24 | 199110010_CHN_PHI |
| Chicago White Sox | CHA | 1.24 | 199110031_MIN_CHA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | -3.9 | 199110020_SEA_TEX |
| Detroit Tigers | DET | -3.52 | 199110020_DET_BOS |
| Oakland Athletics | OAK | -2.77 | 199110020_OAK_KCA |
| Milwaukee Brewers | MIL | -2.47 | 199110020_MIL_CLE |
| Boston Red Sox | BOS | -1.66 | 199110010_DET_BOS |
Based on accumulated WAA for this season up to 1991-10-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +036+ | 4.86 | Todd Frohwirth | 92.3 | BAL |
| +039+ | 4.64 | Chuck McElroy | 100.7 | CHN |
| +052+ | 4.18 | Bryan Harvey | 77.3 | ANA |
| +062+ | 3.7 | Mark Eichhorn | 81.3 | ANA |
| +064+ | 3.68 | Bill Swift | 89.3 | SEA |
| +070+ | 3.46 | Mike Flanagan | 97.7 | BAL |
| +071+ | 3.39 | John Habyan | 89.3 | NYA |
| +073+ | 3.36 | John Smiley | 200.7 | PIT |
| +082+ | 3.06 | Mike Maddux | 95.7 | SDN |
| +084+ | 3.04 | Alejandro Pena | 81.3 | TOT |
| +085+ | 3.03 | Jeff Brantley | 92.3 | SFN |
| +091+ | 3 | Mitch Williams | 86.3 | PHI |
| +094+ | 2.94 | Scott Radinsky | 70.3 | CHA |
| +100+ | 2.81 | Steve Farr | 69.3 | NYA |
| +102+ | 2.74 | Lee Smith | 73 | SLN |
| +107+ | 2.62 | Duane Ward | 105.3 | TOR |
| +108+ | 2.61 | Norm Charlton | 108.3 | CIN |
| +114+ | 2.54 | Jeff Innis | 82.7 | NYN |
| +116+ | 2.49 | Melido Perez | 133.3 | CHA |
| +117+ | 2.48 | Roger McDowell | 101.3 | TOT |
| +119+ | 2.45 | Rick Aguilera | 68 | MIN |
| +121+ | 2.42 | Carl Willis | 88.3 | MIN |
| +123+ | 2.37 | Donn Pall | 68.7 | CHA |
| +125+ | 2.35 | Jeff Fassero | 53.3 | WAS |
| +132+ | 2.24 | Doug Henry | 34 | MIL |
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