| Team | Tm | Tier | Game |
|---|---|---|---|
| Montreal Expos | WAS | 3.19 | 199105150_WAS_LAN |
| Los Angeles Dodgers | LAN | 2.85 | 199105140_WAS_LAN |
| Kansas City Royals | KCA | 2.19 | 199105140_KCA_TOR |
| Cincinnati Reds | CIN | 2.09 | 199105140_CIN_SLN |
| New York Yankees | NYA | 2.07 | 199105140_ANA_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -5.4 | 199105160_PIT_HOU |
| San Diego Padres | SDN | -5.11 | 199105140_NYN_SDN |
| Oakland Athletics | OAK | -1.98 | 199105140_OAK_BAL |
| Boston Red Sox | BOS | -1.85 | 199105140_CHA_BOS |
| St. Louis Cardinals | SLN | -1.83 | 199105140_CIN_SLN |
Based on accumulated WAA for this season up to 1991-05-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 1.75 | Roger McDowell | 27.3 | PHI |
| +021+ | 1.69 | Paul Gibson | 26.3 | DET |
| +026+ | 1.62 | Mark Eichhorn | 20.7 | ANA |
| XXXXX | 1.21 | Scott Terry | 20.7 | SLN |
| XXXXX | 1.2 | Darren Holmes | 29.3 | MIL |
| XXXXX | 1.18 | Russ Swan | 18.3 | SEA |
| XXXXX | 1.14 | Bill Landrum | 17.7 | PIT |
| XXXXX | 1.13 | Bill Swift | 15.3 | SEA |
| XXXXX | 1.12 | Donn Pall | 16 | CHA |
| XXXXX | 1.11 | Michael Jackson | 24.7 | SEA |
| XXXXX | 1.06 | Bryan Harvey | 14.3 | ANA |
| XXXXX | 1 | Lee Guetterman | 16 | NYA |
| XXXXX | 0.99 | Alejandro Pena | 13.7 | NYN |
| XXXXX | 0.97 | Rob Dibble | 18 | CIN |
| XXXXX | 0.93 | Mark Lee | 18.7 | MIL |
| XXXXX | 0.93 | Jeff Russell | 17.7 | TEX |
| XXXXX | 0.9 | Jeff Robinson | 19.7 | ANA |
| XXXXX | 0.88 | Jeff Gray | 22 | BOS |
| XXXXX | 0.86 | Mike Henneman | 21.7 | DET |
| XXXXX | 0.85 | Juan Berenguer | 21.7 | ATL |
| XXXXX | 0.84 | Paul Assenmacher | 26 | CHN |
| XXXXX | 0.84 | John Franco | 12 | NYN |
| XXXXX | 0.82 | Mike Timlin | 23.7 | TOR |
| XXXXX | 0.82 | Jim Clancy | 21.3 | HOU |
| XXXXX | 0.82 | Bob Milacki | 16 | BAL |
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