| Team | Tm | Tier | Game |
|---|---|---|---|
| Kansas City Royals | KCA | 2.98 | 199104130_NYA_KCA |
| Pittsburgh Pirates | PIT | 2.8 | 199104150_NYN_PIT |
| Oakland Athletics | OAK | 2.66 | 199104150_OAK_ANA |
| Los Angeles Dodgers | LAN | 1.22 | 199104130_SDN_LAN |
| New York Yankees | NYA | 1.05 | 199104150_CHA_NYA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -7.59 | 199104150_HOU_ATL |
| Seattle Mariners | SEA | -2.84 | 199104140_SEA_OAK |
| Boston Red Sox | BOS | -2.22 | 199104150_CLE_BOS |
| California Angels | ANA | -2.13 | 199104140_ANA_MIN |
| Detroit Tigers | DET | -1.04 | 199104130_CHA_DET |
Based on accumulated WAA for this season up to 1991-04-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| XXXXX | 0.58 | Mike Flanagan | 6.3 | BAL |
| XXXXX | 0.55 | Jim Acker | 8.7 | TOR |
| XXXXX | 0.53 | Russ Swan | 5.7 | SEA |
| XXXXX | 0.48 | Paul Gibson | 5.3 | DET |
| XXXXX | 0.47 | Mike Timlin | 5.3 | TOR |
| XXXXX | 0.47 | Tom Bolton | 5.3 | BOS |
| XXXXX | 0.46 | Mark Eichhorn | 5 | ANA |
| XXXXX | 0.45 | Dennis Eckersley | 5 | OAK |
| XXXXX | 0.45 | Mike Hartley | 5 | LAN |
| XXXXX | 0.45 | Doug Simons | 5.3 | NYN |
| XXXXX | 0.43 | Curt Schilling | 4.7 | HOU |
| XXXXX | 0.43 | Mike Maddux | 5 | SDN |
| XXXXX | 0.38 | Scott Ruskin | 4 | WAS |
| XXXXX | 0.36 | Jim Gott | 4 | LAN |
| XXXXX | 0.35 | Doug Jones | 4 | CLE |
| XXXXX | 0.35 | Scott Terry | 3.7 | SLN |
| XXXXX | 0.35 | Cris Carpenter | 3.7 | SLN |
| XXXXX | 0.35 | Steve Frey | 6 | WAS |
| XXXXX | 0.34 | Bill Landrum | 3.7 | PIT |
| XXXXX | 0.34 | Mark Williamson | 3.7 | BAL |
| XXXXX | 0.33 | Jeff Montgomery | 3.7 | KCA |
| XXXXX | 0.33 | Mike Henneman | 3.7 | DET |
| XXXXX | 0.33 | Rich Gossage | 3.7 | TEX |
| XXXXX | 0.32 | Randy Myers | 3.7 | CIN |
| XXXXX | 0.31 | Al Osuna | 3.3 | HOU |
_