| Team | Tm | Tier | Game |
|---|---|---|---|
| Oakland Athletics | OAK | 3.2 | 199104180_OAK_ANA |
| Kansas City Royals | KCA | 3.15 | 199104190_KCA_NYA |
| Pittsburgh Pirates | PIT | 1.9 | 199104170_NYN_PIT |
| New York Yankees | NYA | 1.16 | 199104190_KCA_NYA |
| Montreal Expos | WAS | 0.67 | 199104190_NYN_WAS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -10 | 199104170_HOU_ATL |
| Boston Red Sox | BOS | -2.26 | 199104180_KCA_BOS |
| Seattle Mariners | SEA | -1.88 | 199104170_MIN_SEA |
| Detroit Tigers | DET | -1.53 | 199104180_DET_CHA |
| California Angels | ANA | -1.28 | 199104170_OAK_ANA |
Based on accumulated WAA for this season up to 1991-04-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| XXXXX | 0.81 | Mike Flanagan | 9.3 | BAL |
| XXXXX | 0.68 | Dan Petry | 8 | DET |
| XXXXX | 0.65 | Darren Holmes | 7.7 | MIL |
| XXXXX | 0.62 | Jim Gott | 7 | LAN |
| XXXXX | 0.61 | Heathcliff Slocumb | 7.3 | CHN |
| XXXXX | 0.6 | Mark Eichhorn | 7 | ANA |
| XXXXX | 0.59 | Mark Lee | 7 | MIL |
| XXXXX | 0.58 | Paul Assenmacher | 7 | CHN |
| XXXXX | 0.58 | Mike Maddux | 7 | SDN |
| XXXXX | 0.55 | Russ Swan | 6.3 | SEA |
| XXXXX | 0.54 | Doug Simons | 6.3 | NYN |
| XXXXX | 0.54 | Paul Gibson | 6.3 | DET |
| XXXXX | 0.52 | Dennis Eckersley | 6 | OAK |
| XXXXX | 0.52 | Jim Acker | 8.7 | TOR |
| XXXXX | 0.51 | Mike Henneman | 6 | DET |
| XXXXX | 0.5 | Roger McDowell | 8.3 | PHI |
| XXXXX | 0.47 | Mike Bielecki | 13.3 | CHN |
| XXXXX | 0.46 | Rich Gossage | 5.3 | TEX |
| XXXXX | 0.45 | Bryan Harvey | 5.3 | ANA |
| XXXXX | 0.45 | Tom Gordon | 5 | KCA |
| XXXXX | 0.45 | Scott Terry | 5 | SLN |
| XXXXX | 0.42 | Jeff Montgomery | 4.7 | KCA |
| XXXXX | 0.42 | Scott Scudder | 5 | CIN |
| XXXXX | 0.41 | Jay Howell | 4.7 | LAN |
| XXXXX | 0.41 | Bill Landrum | 4.7 | PIT |
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