| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.61 | 199109090_CHA_OAK |
| California Angels | ANA | 2.07 | 199109100_TEX_ANA |
| New York Yankees | NYA | 1.8 | 199109110_NYA_BAL |
| Los Angeles Dodgers | LAN | 1.69 | 199109110_LAN_HOU |
| Cincinnati Reds | CIN | 1.3 | 199109090_LAN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -3.89 | 199109110_BOS_DET |
| Texas Rangers | TEX | -2.98 | 199109110_TEX_ANA |
| Oakland Athletics | OAK | -2.11 | 199109110_CHA_OAK |
| Philadelphia Phillies | PHI | -1.56 | 199109090_PHI_SLN |
| Boston Red Sox | BOS | -1.03 | 199109110_BOS_DET |
Based on accumulated WAA for this season up to 1991-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +037+ | 4.18 | Chuck McElroy | 86 | CHN |
| +039+ | 4.1 | Mark Eichhorn | 74 | ANA |
| +047+ | 3.72 | Todd Frohwirth | 79.7 | BAL |
| +054+ | 3.62 | Mike Flanagan | 92.3 | BAL |
| +056+ | 3.57 | Bill Swift | 77.7 | SEA |
| +065+ | 3.24 | Bryan Harvey | 67 | ANA |
| +070+ | 3.13 | Mitch Williams | 73.7 | PHI |
| +072+ | 3.07 | John Habyan | 76.3 | NYA |
| +080+ | 2.81 | Melido Perez | 124.3 | CHA |
| +082+ | 2.77 | Scott Radinsky | 61 | CHA |
| +090+ | 2.66 | Rob Dibble | 74.3 | CIN |
| +094+ | 2.58 | Steve Howe | 48.3 | NYA |
| +100+ | 2.52 | Mike Maddux | 85 | SDN |
| +099+ | 2.52 | Rick Aguilera | 61.7 | MIN |
| +104+ | 2.49 | Carl Willis | 77.3 | MIN |
| +105+ | 2.45 | Alejandro Pena | 72 | TOT |
| +106+ | 2.44 | Duane Ward | 95.7 | TOR |
| +108+ | 2.41 | Jeff Brantley | 81 | SFN |
| +114+ | 2.31 | Jeff Innis | 72.7 | NYN |
| +113+ | 2.31 | Jeff Fassero | 48.3 | WAS |
| +118+ | 2.23 | Lee Smith | 62.7 | SLN |
| +123+ | 2.09 | Scott Terry | 79.3 | SLN |
| +129+ | 2.02 | Donn Pall | 59.7 | CHA |
| +130+ | 2.01 | Steve Farr | 60.3 | NYA |
| +133+ | 1.97 | Mike Magnante | 45 | KCA |
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