| Team | Tm | Tier | Game |
|---|---|---|---|
| Toronto Blue Jays | TOR | 3.63 | 199105280_OAK_TOR |
| Montreal Expos | WAS | 1.99 | 199105280_WAS_PHI |
| Los Angeles Dodgers | LAN | 1.95 | 199105280_HOU_LAN |
| New York Yankees | NYA | 1.31 | 199105290_BOS_NYA |
| Pittsburgh Pirates | PIT | 1.16 | 199105280_PIT_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| San Diego Padres | SDN | -4.9 | 199105280_ATL_SDN |
| Houston Astros | HOU | -3.88 | 199105280_HOU_LAN |
| Detroit Tigers | DET | -2.87 | 199105290_DET_MIL |
| Boston Red Sox | BOS | -1.61 | 199105280_BOS_NYA |
| Chicago White Sox | CHA | -1.5 | 199105290_ANA_CHA |
Based on accumulated WAA for this season up to 1991-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 2.29 | Mark Eichhorn | 27.7 | ANA |
| +026+ | 2.01 | Scott Terry | 29 | SLN |
| +031+ | 1.82 | Roger McDowell | 32.7 | PHI |
| +033+ | 1.75 | Mike Henneman | 33.7 | DET |
| +047+ | 1.53 | Paul Gibson | 38.3 | DET |
| +052+ | 1.49 | Michael Jackson | 30.7 | SEA |
| +051+ | 1.49 | Rob Dibble | 23.3 | CIN |
| +054+ | 1.48 | Chuck McElroy | 23.7 | CHN |
| +057+ | 1.41 | John Franco | 18 | NYN |
| +060+ | 1.4 | Gerald Alexander | 25.3 | TEX |
| +065+ | 1.33 | Bill Landrum | 24 | PIT |
| +064+ | 1.33 | Kent Mercker | 22 | ATL |
| +069+ | 1.3 | Bryan Harvey | 21.3 | ANA |
| +071+ | 1.27 | Darren Holmes | 34.3 | MIL |
| +074+ | 1.26 | Donn Pall | 19.3 | CHA |
| XXXXX | 1.23 | Juan Berenguer | 30.3 | ATL |
| XXXXX | 1.18 | Jeff Robinson | 24.7 | ANA |
| XXXXX | 1.16 | Pat Rice | 13 | SEA |
| XXXXX | 1.16 | Jeff Russell | 25 | TEX |
| XXXXX | 1.15 | Jim Clancy | 26.7 | HOU |
| XXXXX | 1.12 | Rick Aguilera | 24 | MIN |
| XXXXX | 1.11 | Lee Guetterman | 19.3 | NYA |
| XXXXX | 1.08 | Rich Rodriguez | 31 | SDN |
| XXXXX | 1.04 | Duane Ward | 27.7 | TOR |
| XXXXX | 1.03 | Mark Leiter | 25.7 | DET |
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