| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | 5.39 | 199107130_NYA_ANA |
| Toronto Blue Jays | TOR | 2.34 | 199107150_TOR_KCA |
| Seattle Mariners | SEA | 1.67 | 199107130_CLE_SEA |
| San Diego Padres | SDN | 1.26 | 199107130_SDN_NYN |
| Los Angeles Dodgers | LAN | 1.25 | 199107150_LAN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Phillies | PHI | -7.71 | 199107150_LAN_PHI |
| Detroit Tigers | DET | -4.94 | 199107150_TEX_DET |
| Texas Rangers | TEX | -4.03 | 199107150_TEX_DET |
| St. Louis Cardinals | SLN | -2.21 | 199107140_SLN_ATL |
| Cleveland Indians | CLE | -1.96 | 199107150_CLE_OAK |
Based on accumulated WAA for this season up to 1991-07-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +015+ | 3.98 | Mike Morgan | 125 | LAN |
| +024+ | 3.5 | Mark Eichhorn | 47.7 | ANA |
| +034+ | 3.14 | Chuck McElroy | 54 | CHN |
| +043+ | 2.77 | Rob Dibble | 44 | CIN |
| +049+ | 2.65 | Scott Terry | 52 | SLN |
| +059+ | 2.37 | Duane Ward | 61 | TOR |
| +064+ | 2.31 | Mike Flanagan | 60 | BAL |
| +065+ | 2.26 | Bryan Harvey | 41 | ANA |
| +066+ | 2.25 | Steve Howe | 36.3 | NYA |
| +070+ | 2.1 | Steve Farr | 41.7 | NYA |
| +072+ | 2.07 | Todd Frohwirth | 34.3 | BAL |
| +073+ | 2.05 | Jeff Gray | 54 | BOS |
| +076+ | 2.01 | Kent Mercker | 38.3 | ATL |
| +077+ | 1.99 | Jim Clancy | 45.3 | HOU |
| +079+ | 1.95 | Lee Guetterman | 37.7 | NYA |
| +085+ | 1.89 | Juan Berenguer | 51 | ATL |
| +086+ | 1.89 | Bill Krueger | 90 | SEA |
| +092+ | 1.81 | Mike Maddux | 54.7 | SDN |
| +095+ | 1.75 | Rob MacDonald | 24 | TOR |
| +098+ | 1.73 | Mike Henneman | 56 | DET |
| +101+ | 1.7 | Dennis Eckersley | 41.3 | OAK |
| +104+ | 1.68 | Bill Landrum | 41.7 | PIT |
| +103+ | 1.68 | Lee Smith | 43.7 | SLN |
| +106+ | 1.66 | Mike Timlin | 69.3 | TOR |
| +111+ | 1.55 | Greg Cadaret | 63.3 | NYA |
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