| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.61 | 199109090_CHA_OAK |
| Seattle Mariners | SEA | 1.98 | 199109070_SEA_BOS |
| California Angels | ANA | 1.94 | 199109090_TEX_ANA |
| Los Angeles Dodgers | LAN | 1.68 | 199109090_LAN_CIN |
| Cincinnati Reds | CIN | 1.3 | 199109090_LAN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -6.15 | 199109070_OAK_DET |
| Texas Rangers | TEX | -2.73 | 199109080_CHA_TEX |
| Oakland Athletics | OAK | -1.98 | 199109070_OAK_DET |
| Philadelphia Phillies | PHI | -1.64 | 199109080_PHI_HOU |
| New York Yankees | NYA | -0.89 | 199109080_NYA_MIN |
Based on accumulated WAA for this season up to 1991-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +038+ | 4.13 | Chuck McElroy | 85.3 | CHN |
| +042+ | 4.04 | Mark Eichhorn | 73 | ANA |
| +048+ | 3.84 | Bryan Harvey | 66.3 | ANA |
| +054+ | 3.58 | Bill Swift | 77.7 | SEA |
| +056+ | 3.54 | Mike Flanagan | 91.3 | BAL |
| +061+ | 3.3 | Todd Frohwirth | 75 | BAL |
| +070+ | 3.08 | Mitch Williams | 73 | PHI |
| +074+ | 2.98 | John Habyan | 75.3 | NYA |
| +083+ | 2.75 | Scott Radinsky | 60.7 | CHA |
| +088+ | 2.67 | Rob Dibble | 74.3 | CIN |
| +092+ | 2.62 | Melido Perez | 122 | CHA |
| +093+ | 2.58 | Steve Howe | 48.3 | NYA |
| +096+ | 2.53 | Jeff Brantley | 80 | SFN |
| +100+ | 2.43 | Mike Maddux | 84 | SDN |
| +101+ | 2.43 | Rick Aguilera | 60.7 | MIN |
| +103+ | 2.4 | Carl Willis | 76.3 | MIN |
| +107+ | 2.36 | Duane Ward | 94.7 | TOR |
| +110+ | 2.34 | Alejandro Pena | 70.7 | TOT |
| +112+ | 2.32 | Jeff Innis | 72.7 | NYN |
| +113+ | 2.32 | Jeff Fassero | 48.3 | WAS |
| +117+ | 2.24 | Lee Smith | 62.7 | SLN |
| +122+ | 2.13 | Kent Mercker | 55 | ATL |
| +129+ | 2.01 | Scott Terry | 78.3 | SLN |
| +133+ | 1.97 | Jeff Shaw | 64.3 | CLE |
| +134+ | 1.94 | Al Osuna | 71.7 | HOU |
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