| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.12 | 198906100_ATL_HOU |
| New York Mets | NYN | 2.63 | 198906110_NYN_PIT |
| Cincinnati Reds | CIN | 1.77 | 198906120_CIN_LAN |
| St. Louis Cardinals | SLN | 1.36 | 198906110_SLN_CHN |
| Los Angeles Dodgers | LAN | 0.72 | 198906110_CIN_LAN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.41 | 198906120_CLE_CHA |
| Seattle Mariners | SEA | -3.28 | 198906110_SEA_CLE |
| Pittsburgh Pirates | PIT | -2.31 | 198906110_NYN_PIT |
| Minnesota Twins | MIN | -1.16 | 198906110_CHA_MIN |
| Toronto Blue Jays | TOR | -0.7 | 198906110_DET_TOR |
Based on accumulated WAA for this season up to 1989-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +016+ | 2.84 | Larry Andersen | 38 | HOU |
| +027+ | 2.47 | Rick Aguilera | 39 | NYN |
| +033+ | 2.31 | Todd Burns | 48.7 | OAK |
| +040+ | 2.15 | Lee Guetterman | 41.3 | NYA |
| +047+ | 2.1 | Jay Howell | 35.7 | LAN |
| +046+ | 2.1 | Greg Minton | 39 | ANA |
| +048+ | 2.09 | Craig Lefferts | 44.7 | SFN |
| +056+ | 1.97 | Randy Myers | 35.7 | NYN |
| +064+ | 1.72 | John Franco | 30 | CIN |
| +065+ | 1.68 | Greg Harris | 34.3 | SDN |
| +070+ | 1.59 | Mike Schooler | 30.3 | SEA |
| +072+ | 1.58 | Bill Landrum | 21.3 | PIT |
| +075+ | 1.55 | Frank DiPino | 33.7 | SLN |
| +079+ | 1.51 | Kenny Rogers | 29.7 | TEX |
| +081+ | 1.49 | Rob Dibble | 42 | CIN |
| +082+ | 1.48 | Pat Perry | 32 | CHN |
| +084+ | 1.46 | Rich Gossage | 22.3 | SFN |
| +086+ | 1.41 | Mike LaCoss | 41.7 | SFN |
| +087+ | 1.39 | Jeff Russell | 28.3 | TEX |
| +088+ | 1.38 | Jeff Montgomery | 33.7 | KCA |
| +091+ | 1.37 | Mark Knudson | 47 | MIL |
| XXXXX | 1.22 | Frank Williams | 47.3 | DET |
| XXXXX | 1.16 | Danny Darwin | 53.7 | HOU |
| XXXXX | 1.12 | Dan Schatzeder | 29.7 | HOU |
| XXXXX | 1.09 | Jesse Orosco | 19.7 | CLE |
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