| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Mets | NYN | 3.62 | 199004240_ATL_NYN |
| Boston Red Sox | BOS | 3.02 | 199004240_ANA_BOS |
| Houston Astros | HOU | 2.48 | 199004260_HOU_ATL |
| Cincinnati Reds | CIN | 2.46 | 199004240_CIN_PHI |
| Kansas City Royals | KCA | 1.48 | 199004240_KCA_MIL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| California Angels | ANA | -6.12 | 199004240_ANA_BOS |
| San Francisco Giants | SFN | -5.37 | 199004260_PIT_SFN |
| Atlanta Braves | ATL | -3.12 | 199004240_ATL_NYN |
| Detroit Tigers | DET | -1.65 | 199004250_DET_MIN |
| Baltimore Orioles | BAL | -0.78 | 199004250_OAK_BAL |
Based on accumulated WAA for this season up to 1990-04-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +009+ | 1.38 | Duane Ward | 15.7 | TOR |
| XXXXX | 1.11 | Paul Assenmacher | 15 | CHN |
| XXXXX | 0.98 | Terry Leach | 11 | MIN |
| XXXXX | 0.92 | Brian Holman | 27 | SEA |
| XXXXX | 0.91 | Mitch Williams | 10.3 | CHN |
| XXXXX | 0.89 | Rob Dibble | 10.3 | CIN |
| XXXXX | 0.84 | Mark Eichhorn | 14.7 | ANA |
| XXXXX | 0.8 | Gene Nelson | 9.7 | OAK |
| XXXXX | 0.79 | Ted Power | 9 | PIT |
| XXXXX | 0.79 | Dan Petry | 13.7 | DET |
| XXXXX | 0.73 | Greg Harris | 13 | SDN |
| XXXXX | 0.71 | Gregg Olson | 8.3 | BAL |
| XXXXX | 0.71 | Dennis Eckersley | 8.7 | OAK |
| XXXXX | 0.67 | Tim Crews | 10 | LAN |
| XXXXX | 0.64 | Bob Patterson | 7.3 | PIT |
| XXXXX | 0.64 | Bill Swift | 12 | SEA |
| XXXXX | 0.63 | Dave Smith | 9.7 | HOU |
| XXXXX | 0.62 | Doug Jones | 6.7 | CLE |
| XXXXX | 0.61 | Ken Dayley | 7 | SLN |
| XXXXX | 0.58 | Mike Henneman | 11.3 | DET |
| XXXXX | 0.56 | Dave Wells | 8.7 | TOR |
| XXXXX | 0.56 | Jeff Reardon | 6.3 | BOS |
| XXXXX | 0.56 | Bobby Ojeda | 9 | NYN |
| XXXXX | 0.55 | Bill Landrum | 8.7 | PIT |
| XXXXX | 0.54 | Scott Radinsky | 6 | CHA |
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