| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 2.97 | 198906260_SFN_HOU |
| Los Angeles Dodgers | LAN | 2.35 | 198906250_LAN_CIN |
| New York Mets | NYN | 1.59 | 198906240_PHI_NYN |
| Oakland Athletics | OAK | 1.32 | 198906240_TOR_OAK |
| Cincinnati Reds | CIN | 1.2 | 198906240_LAN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -4.79 | 198906241_MIN_BOS |
| Chicago White Sox | CHA | -3.94 | 198906240_CHA_MIL |
| Minnesota Twins | MIN | -2.6 | 198906250_MIN_BOS |
| Philadelphia Phillies | PHI | -1.88 | 198906240_PHI_NYN |
| Pittsburgh Pirates | PIT | -1.09 | 198906240_SLN_PIT |
Based on accumulated WAA for this season up to 1989-06-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 3.17 | Larry Andersen | 43.7 | HOU |
| +029+ | 2.71 | Rick Aguilera | 46.3 | NYN |
| +032+ | 2.67 | Jay Howell | 42 | LAN |
| +038+ | 2.54 | Bill Landrum | 32.7 | PIT |
| +039+ | 2.53 | Todd Burns | 56 | OAK |
| +045+ | 2.38 | Lee Guetterman | 48 | NYA |
| +051+ | 2.29 | Randy Myers | 46.3 | NYN |
| +054+ | 2.2 | Craig Lefferts | 53 | SFN |
| +061+ | 2.05 | Rob Dibble | 53 | CIN |
| +063+ | 1.99 | Jeff Montgomery | 43 | KCA |
| +068+ | 1.96 | John Franco | 37.3 | CIN |
| +071+ | 1.9 | Greg Minton | 44 | ANA |
| +073+ | 1.83 | Mike Schooler | 37.7 | SEA |
| +078+ | 1.78 | Gregg Olson | 42.7 | BAL |
| +081+ | 1.7 | Dan Schatzeder | 36 | HOU |
| +086+ | 1.63 | Rick Honeycutt | 40.7 | OAK |
| +092+ | 1.55 | Frank Williams | 55.3 | DET |
| +093+ | 1.53 | Danny Darwin | 62 | HOU |
| +102+ | 1.37 | Doug Jones | 32.3 | CLE |
| +104+ | 1.36 | Greg Harris | 40.3 | SDN |
| +106+ | 1.35 | Dave Righetti | 34 | NYA |
| +105+ | 1.35 | Rich Gossage | 25.7 | SFN |
| +107+ | 1.33 | Mitch Williams | 40 | CHN |
| +112+ | 1.29 | Gene Nelson | 34.3 | OAK |
| XXXXX | 1.24 | Todd Worrell | 27 | SLN |
_