| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Mets | NYN | 5.82 | 198905140_SDN_NYN |
| St. Louis Cardinals | SLN | 3.66 | 198905140_CIN_SLN |
| Oakland Athletics | OAK | 2.85 | 198905150_MIL_OAK |
| San Francisco Giants | SFN | 1.49 | 198905150_SFN_PHI |
| New York Yankees | NYA | 1.38 | 198905150_NYA_ANA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Toronto Blue Jays | TOR | -4.65 | 198905150_CLE_TOR |
| Boston Red Sox | BOS | -3.41 | 198905140_BOS_SEA |
| Minnesota Twins | MIN | -2.31 | 198905140_TOR_MIN |
| Baltimore Orioles | BAL | -2.28 | 198905140_CHA_BAL |
| Cleveland Indians | CLE | -1.89 | 198905160_CLE_TOR |
Based on accumulated WAA for this season up to 1989-05-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +009+ | 2.28 | Lee Guetterman | 26 | NYA |
| +041+ | 1.54 | Larry Andersen | 18.7 | HOU |
| +045+ | 1.5 | Craig Lefferts | 28 | SFN |
| +054+ | 1.34 | Jay Howell | 21 | LAN |
| +055+ | 1.34 | Jose Alvarez | 25 | ATL |
| +059+ | 1.3 | Greg Minton | 25.3 | ANA |
| XXXXX | 1.24 | Mark Davis | 27 | SDN |
| XXXXX | 1.2 | Danny Darwin | 32.3 | HOU |
| XXXXX | 1.18 | Randy Myers | 19 | NYN |
| XXXXX | 1.11 | Dennis Powell | 20 | SEA |
| XXXXX | 1.05 | Rick Aguilera | 20 | NYN |
| XXXXX | 1.04 | Norm Charlton | 17.3 | CIN |
| XXXXX | 0.98 | Jeff Russell | 16.3 | TEX |
| XXXXX | 0.96 | Greg Harris | 16.3 | SDN |
| XXXXX | 0.94 | Todd Burns | 23 | OAK |
| XXXXX | 0.92 | Gene Nelson | 10.7 | OAK |
| XXXXX | 0.91 | Bobby Thigpen | 18 | CHA |
| XXXXX | 0.86 | Pat Perry | 17.3 | CHN |
| XXXXX | 0.86 | Paul Assenmacher | 14.7 | ATL |
| XXXXX | 0.85 | Rich Gossage | 12.7 | SFN |
| XXXXX | 0.85 | Rick Honeycutt | 22 | OAK |
| XXXXX | 0.81 | Don Aase | 14.7 | NYN |
| XXXXX | 0.79 | Frank DiPino | 21.7 | SLN |
| XXXXX | 0.79 | Dennis Eckersley | 14 | OAK |
| XXXXX | 0.79 | John Franco | 19.3 | CIN |
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