| Team | Tm | Tier | Game |
|---|---|---|---|
| Toronto Blue Jays | TOR | 3.45 | 199105180_TOR_CHA |
| Montreal Expos | WAS | 3.18 | 199105160_WAS_SFN |
| Los Angeles Dodgers | LAN | 2.5 | 199105170_NYN_LAN |
| Kansas City Royals | KCA | 1.8 | 199105170_MIL_KCA |
| New York Yankees | NYA | 1.68 | 199105160_ANA_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -5.4 | 199105160_PIT_HOU |
| San Diego Padres | SDN | -3.44 | 199105170_SDN_CIN |
| Baltimore Orioles | BAL | -1.65 | 199105160_OAK_BAL |
| Boston Red Sox | BOS | -1.59 | 199105170_BOS_TEX |
| St. Louis Cardinals | SLN | -1.05 | 199105170_HOU_SLN |
Based on accumulated WAA for this season up to 1991-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 1.87 | Roger McDowell | 29.3 | PHI |
| +027+ | 1.62 | Mark Eichhorn | 20.7 | ANA |
| +040+ | 1.3 | Bill Swift | 17.3 | SEA |
| +042+ | 1.26 | Paul Gibson | 28.7 | DET |
| XXXXX | 1.24 | Bryan Harvey | 16.3 | ANA |
| XXXXX | 1.21 | Scott Terry | 20.7 | SLN |
| XXXXX | 1.2 | Donn Pall | 17 | CHA |
| XXXXX | 1.2 | Darren Holmes | 29.3 | MIL |
| XXXXX | 1.2 | Russ Swan | 21 | SEA |
| XXXXX | 1.16 | Michael Jackson | 25.3 | SEA |
| XXXXX | 1.14 | Bill Landrum | 17.7 | PIT |
| XXXXX | 1.11 | Rob Dibble | 19.7 | CIN |
| XXXXX | 1.05 | Jeff Robinson | 21.3 | ANA |
| XXXXX | 0.99 | Lee Guetterman | 16 | NYA |
| XXXXX | 0.98 | Jeff Russell | 18.3 | TEX |
| XXXXX | 0.97 | Kent Mercker | 18.3 | ATL |
| XXXXX | 0.94 | Mike Henneman | 22.7 | DET |
| XXXXX | 0.93 | John Franco | 13 | NYN |
| XXXXX | 0.89 | Duane Ward | 19.7 | TOR |
| XXXXX | 0.89 | Jeff Gray | 22 | BOS |
| XXXXX | 0.86 | Rick Aguilera | 16.7 | MIN |
| XXXXX | 0.85 | Jim Acker | 24 | TOR |
| XXXXX | 0.85 | Juan Berenguer | 21.7 | ATL |
| XXXXX | 0.82 | Jim Clancy | 21.3 | HOU |
| XXXXX | 0.82 | Scott Ruskin | 16.7 | WAS |
_