| 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 |
| Baltimore Orioles | BAL | -2.67 | 198905130_CHA_BAL |
| Minnesota Twins | MIN | -2.31 | 198905140_TOR_MIN |
| Cleveland Indians | CLE | -1.6 | 198905130_DET_CLE |
Based on accumulated WAA for this season up to 1989-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +010+ | 2.26 | Lee Guetterman | 26 | NYA |
| +045+ | 1.52 | Larry Andersen | 18.3 | HOU |
| +047+ | 1.48 | Craig Lefferts | 28 | SFN |
| +053+ | 1.33 | Jay Howell | 21 | LAN |
| +057+ | 1.29 | Jose Alvarez | 24.7 | ATL |
| XXXXX | 1.22 | Mark Davis | 27 | SDN |
| XXXXX | 1.21 | Greg Minton | 24.3 | ANA |
| XXXXX | 1.17 | Randy Myers | 19 | NYN |
| XXXXX | 1.1 | Dennis Powell | 20 | SEA |
| XXXXX | 1.07 | Frank DiPino | 20 | SLN |
| XXXXX | 1.04 | Rick Aguilera | 20 | NYN |
| XXXXX | 0.97 | Jeff Russell | 16.3 | TEX |
| XXXXX | 0.95 | Norm Charlton | 16.3 | CIN |
| XXXXX | 0.93 | Todd Burns | 23 | OAK |
| XXXXX | 0.86 | Gene Nelson | 10 | OAK |
| XXXXX | 0.85 | Pat Perry | 17.3 | CHN |
| XXXXX | 0.84 | Greg Harris | 15 | SDN |
| XXXXX | 0.81 | Bobby Thigpen | 17 | CHA |
| XXXXX | 0.81 | Don Aase | 14.7 | NYN |
| XXXXX | 0.78 | Rick Honeycutt | 21.3 | OAK |
| XXXXX | 0.78 | John Franco | 19.3 | CIN |
| XXXXX | 0.78 | Dennis Eckersley | 14 | OAK |
| XXXXX | 0.76 | Rich Gossage | 11.7 | SFN |
| XXXXX | 0.75 | Todd Worrell | 18.7 | SLN |
| XXXXX | 0.71 | Steve Farr | 13.7 | KCA |
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