| Team | Tm | Tier | Game |
|---|---|---|---|
| Toronto Blue Jays | TOR | 2.46 | 199107160_TOR_KCA |
| Seattle Mariners | SEA | 1.79 | 199107160_NYA_SEA |
| San Diego Padres | SDN | 1.27 | 199107170_SDN_WAS |
| California Angels | ANA | 1.03 | 199107180_CLE_ANA |
| Los Angeles Dodgers | LAN | 0.73 | 199107160_LAN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -11.59 | 199107160_TEX_DET |
| Philadelphia Phillies | PHI | -6.14 | 199107160_LAN_PHI |
| Texas Rangers | TEX | -3.39 | 199107160_TEX_DET |
| Cleveland Indians | CLE | -2.52 | 199107160_CLE_OAK |
| St. Louis Cardinals | SLN | -1.37 | 199107160_SLN_CIN |
Based on accumulated WAA for this season up to 1991-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +023+ | 3.5 | Mark Eichhorn | 47.7 | ANA |
| +031+ | 3.15 | Chuck McElroy | 54 | CHN |
| +048+ | 2.64 | Scott Terry | 52 | SLN |
| +053+ | 2.58 | Duane Ward | 63.3 | TOR |
| +057+ | 2.44 | Rob Dibble | 45 | CIN |
| +063+ | 2.34 | Steve Howe | 37.3 | NYA |
| +067+ | 2.22 | Jeff Gray | 56 | BOS |
| +068+ | 2.18 | Mike Flanagan | 61.3 | BAL |
| +072+ | 2.14 | Bryan Harvey | 42 | ANA |
| +071+ | 2.14 | Todd Frohwirth | 35.3 | BAL |
| +073+ | 2.13 | Lee Guetterman | 39.7 | NYA |
| +076+ | 2.1 | Steve Farr | 41.7 | NYA |
| +078+ | 2.09 | Kent Mercker | 39.3 | ATL |
| +079+ | 2.07 | Juan Berenguer | 53 | ATL |
| +086+ | 1.94 | Jim Clancy | 49.3 | HOU |
| +092+ | 1.86 | Mike Maddux | 55.3 | SDN |
| +094+ | 1.81 | Mike Henneman | 57 | DET |
| +098+ | 1.76 | Bill Landrum | 42.7 | PIT |
| +099+ | 1.75 | Rob MacDonald | 24 | TOR |
| +102+ | 1.72 | Al Osuna | 44.7 | HOU |
| +104+ | 1.68 | John Burkett | 125.3 | SFN |
| +110+ | 1.65 | Lee Smith | 45.7 | SLN |
| +107+ | 1.65 | Mike Timlin | 69.3 | TOR |
| +115+ | 1.57 | John Habyan | 47.3 | NYA |
| +117+ | 1.56 | Dennis Eckersley | 42.3 | OAK |
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