| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 2.92 | 198906230_HOU_ATL |
| Los Angeles Dodgers | LAN | 2.35 | 198906250_LAN_CIN |
| New York Mets | NYN | 1.71 | 198906230_PHI_NYN |
| Oakland Athletics | OAK | 1.62 | 198906230_TOR_OAK |
| San Francisco Giants | SFN | 1.45 | 198906230_SFN_SDN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -4.79 | 198906241_MIN_BOS |
| Chicago White Sox | CHA | -4.4 | 198906231_CHA_MIL |
| Minnesota Twins | MIN | -2.6 | 198906250_MIN_BOS |
| Philadelphia Phillies | PHI | -2.25 | 198906230_PHI_NYN |
| Pittsburgh Pirates | PIT | -1.85 | 198906230_SLN_PIT |
Based on accumulated WAA for this season up to 1989-06-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 3.12 | Larry Andersen | 43 | HOU |
| +030+ | 2.7 | Rick Aguilera | 46.3 | NYN |
| +031+ | 2.69 | Todd Burns | 55.3 | OAK |
| +035+ | 2.67 | Jay Howell | 42 | LAN |
| +039+ | 2.54 | Bill Landrum | 32.7 | PIT |
| +045+ | 2.39 | Lee Guetterman | 48 | NYA |
| +052+ | 2.28 | Randy Myers | 46.3 | NYN |
| +058+ | 2.12 | Craig Lefferts | 52 | SFN |
| +061+ | 1.99 | Jeff Montgomery | 43 | KCA |
| +066+ | 1.91 | Rob Dibble | 51.3 | CIN |
| +067+ | 1.9 | Greg Minton | 44 | ANA |
| +069+ | 1.88 | John Franco | 36.3 | CIN |
| +070+ | 1.83 | Mike Schooler | 37.7 | SEA |
| +078+ | 1.79 | Gregg Olson | 42.7 | BAL |
| +084+ | 1.63 | Rick Honeycutt | 40.7 | OAK |
| +091+ | 1.56 | Frank Williams | 55.3 | DET |
| +093+ | 1.54 | Dan Schatzeder | 34 | HOU |
| +094+ | 1.53 | Danny Darwin | 62 | HOU |
| +101+ | 1.37 | Greg Harris | 40.3 | SDN |
| +102+ | 1.36 | Todd Worrell | 26 | SLN |
| +103+ | 1.35 | Dave Righetti | 34 | NYA |
| +104+ | 1.35 | Rich Gossage | 25.7 | SFN |
| XXXXX | 1.23 | Tim Burke | 43.3 | WAS |
| XXXXX | 1.23 | Dan Quisenberry | 39.3 | SLN |
| XXXXX | 1.21 | Gene Nelson | 33.3 | OAK |
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