| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | 2.61 | 199109090_CHA_OAK |
| California Angels | ANA | 2.07 | 199109100_TEX_ANA |
| Seattle Mariners | SEA | 1.96 | 199109080_SEA_BOS |
| New York Yankees | NYA | 1.7 | 199109100_NYA_BAL |
| Los Angeles Dodgers | LAN | 1.68 | 199109090_LAN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -6.14 | 199109080_OAK_DET |
| Texas Rangers | TEX | -2.73 | 199109080_CHA_TEX |
| Oakland Athletics | OAK | -1.85 | 199109080_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 1991-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +039+ | 4.13 | Chuck McElroy | 85.3 | CHN |
| +042+ | 4.03 | Mark Eichhorn | 73 | ANA |
| +048+ | 3.83 | Bryan Harvey | 66.3 | ANA |
| +050+ | 3.72 | Todd Frohwirth | 79.7 | BAL |
| +056+ | 3.58 | Bill Swift | 77.7 | SEA |
| +057+ | 3.53 | Mike Flanagan | 91.3 | BAL |
| +068+ | 3.14 | Mitch Williams | 73.7 | PHI |
| +074+ | 2.98 | John Habyan | 75.3 | NYA |
| +078+ | 2.82 | Melido Perez | 124.3 | CHA |
| +085+ | 2.74 | Scott Radinsky | 60.7 | CHA |
| +088+ | 2.66 | Rob Dibble | 74.3 | CIN |
| +093+ | 2.58 | Steve Howe | 48.3 | NYA |
| +098+ | 2.52 | Rick Aguilera | 61.7 | MIN |
| +099+ | 2.51 | Mike Maddux | 85 | SDN |
| +102+ | 2.41 | Jeff Brantley | 81 | SFN |
| +104+ | 2.39 | Carl Willis | 76.3 | MIN |
| +105+ | 2.37 | Alejandro Pena | 71 | TOT |
| +107+ | 2.36 | Duane Ward | 94.7 | TOR |
| +110+ | 2.31 | Jeff Innis | 72.7 | NYN |
| +109+ | 2.31 | Jeff Fassero | 48.3 | WAS |
| +116+ | 2.23 | Lee Smith | 62.7 | SLN |
| +120+ | 2.13 | Kent Mercker | 55 | ATL |
| +122+ | 2.1 | Scott Terry | 79.3 | SLN |
| +129+ | 2.01 | Steve Farr | 60.3 | NYA |
| +131+ | 1.97 | Mike Magnante | 45 | KCA |
_