| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.01 | 198906270_SFN_HOU |
| Los Angeles Dodgers | LAN | 2.35 | 198906250_LAN_CIN |
| New York Mets | NYN | 1.44 | 198906270_NYN_WAS |
| Oakland Athletics | OAK | 1.28 | 198906250_TOR_OAK |
| New York Yankees | NYA | 1.14 | 198906270_NYA_DET |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.82 | 198906270_TEX_CHA |
| Boston Red Sox | BOS | -4.3 | 198906250_MIN_BOS |
| Minnesota Twins | MIN | -2.6 | 198906250_MIN_BOS |
| Philadelphia Phillies | PHI | -1.5 | 198906250_PHI_NYN |
| Chicago Cubs | CHN | -0.92 | 198906260_PIT_CHN |
Based on accumulated WAA for this season up to 1989-06-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +022+ | 3.18 | Larry Andersen | 43.7 | HOU |
| +030+ | 2.81 | Jay Howell | 44 | LAN |
| +032+ | 2.69 | Bill Landrum | 34.3 | PIT |
| +033+ | 2.68 | Rick Aguilera | 48.7 | NYN |
| +040+ | 2.55 | Todd Burns | 56 | OAK |
| +044+ | 2.44 | Randy Myers | 48.3 | NYN |
| +054+ | 2.22 | Craig Lefferts | 53 | SFN |
| +058+ | 2.12 | Rob Dibble | 53.7 | CIN |
| +059+ | 2.1 | Lee Guetterman | 49.3 | NYA |
| +064+ | 2 | Jeff Montgomery | 43 | KCA |
| +067+ | 1.97 | John Franco | 37.3 | CIN |
| +071+ | 1.9 | Greg Minton | 44 | ANA |
| +074+ | 1.83 | Mike Schooler | 37.7 | SEA |
| +076+ | 1.79 | Gregg Olson | 42.7 | BAL |
| +081+ | 1.71 | Dan Schatzeder | 36 | HOU |
| +082+ | 1.71 | Danny Darwin | 64 | HOU |
| +084+ | 1.64 | Rick Honeycutt | 40.7 | OAK |
| +087+ | 1.59 | Frank Williams | 55.7 | DET |
| +097+ | 1.47 | Greg Harris | 42 | SDN |
| +102+ | 1.4 | Mitch Williams | 40.7 | CHN |
| +103+ | 1.37 | Doug Jones | 32.3 | CLE |
| +104+ | 1.36 | Dave Righetti | 34 | NYA |
| +106+ | 1.35 | Rich Gossage | 25.7 | SFN |
| +107+ | 1.35 | Eric Plunk | 32.3 | TOT |
| +111+ | 1.33 | Dan Quisenberry | 40.3 | SLN |
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