| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.84 | 199109020_KCA_CHA |
| Baltimore Orioles | BAL | 2.18 | 199109010_BAL_MIN |
| Seattle Mariners | SEA | 1.88 | 199109010_BOS_SEA |
| Atlanta Braves | ATL | 1.67 | 199109030_ATL_WAS |
| Los Angeles Dodgers | LAN | 1.19 | 199109020_SLN_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -8.17 | 199109010_DET_OAK |
| New York Yankees | NYA | -2.35 | 199109030_NYA_TEX |
| Texas Rangers | TEX | -1.41 | 199109020_NYA_TEX |
| Oakland Athletics | OAK | -1.05 | 199109030_OAK_MIL |
| Philadelphia Phillies | PHI | -0.97 | 199109030_CIN_PHI |
Based on accumulated WAA for this season up to 1991-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +033+ | 4.17 | Chuck McElroy | 83.3 | CHN |
| +048+ | 3.8 | Mark Eichhorn | 70.3 | ANA |
| +055+ | 3.51 | Bryan Harvey | 62.7 | ANA |
| +056+ | 3.45 | Mike Flanagan | 90.3 | BAL |
| +057+ | 3.45 | Bill Swift | 74 | SEA |
| +059+ | 3.43 | Todd Frohwirth | 74 | BAL |
| +066+ | 3.12 | Scott Terry | 76.7 | SLN |
| +071+ | 3.01 | Carl Willis | 73.7 | MIN |
| +072+ | 2.98 | Mitch Williams | 72 | PHI |
| +073+ | 2.98 | John Habyan | 73 | NYA |
| +077+ | 2.79 | Michael Jackson | 73.7 | SEA |
| +080+ | 2.73 | Jeff Brantley | 75.3 | SFN |
| +089+ | 2.6 | Scott Radinsky | 59 | CHA |
| +093+ | 2.48 | Rob Dibble | 72.3 | CIN |
| +094+ | 2.47 | Melido Perez | 118 | CHA |
| +100+ | 2.32 | Rick Aguilera | 59.3 | MIN |
| +106+ | 2.25 | Mike Stanton | 63 | ATL |
| +109+ | 2.23 | Jeff Fassero | 45 | WAS |
| +113+ | 2.21 | Lee Smith | 62.3 | SLN |
| +114+ | 2.19 | Al Osuna | 69.7 | HOU |
| +119+ | 2.13 | Duane Ward | 92 | TOR |
| +120+ | 2.08 | Mike Maddux | 80 | SDN |
| +126+ | 1.98 | Alejandro Pena | 66.7 | TOT |
| +128+ | 1.96 | Mike Timlin | 92.3 | TOR |
| +133+ | 1.87 | Jeff Innis | 67.7 | NYN |
_