| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.93 | 198907070_WAS_HOU |
| St. Louis Cardinals | SLN | 3.46 | 198907080_SFN_SLN |
| New York Mets | NYN | 3.4 | 198907060_CIN_NYN |
| Los Angeles Dodgers | LAN | 2.36 | 198907060_LAN_SLN |
| Cincinnati Reds | CIN | 1.47 | 198907080_CIN_NYN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -4.59 | 198907080_NYA_BOS |
| Chicago White Sox | CHA | -2.25 | 198907080_CHA_KCA |
| Detroit Tigers | DET | -1.37 | 198907080_TOR_DET |
| Seattle Mariners | SEA | -1.24 | 198907080_CLE_SEA |
| Minnesota Twins | MIN | -1.13 | 198907070_MIN_ANA |
Based on accumulated WAA for this season up to 1989-07-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +017+ | 3.7 | Larry Andersen | 52.3 | HOU |
| +024+ | 3.11 | Bill Landrum | 39.3 | PIT |
| +025+ | 3.06 | Jay Howell | 46.7 | LAN |
| +039+ | 2.62 | Rick Aguilera | 52.7 | NYN |
| +040+ | 2.6 | Jeff Montgomery | 55 | KCA |
| +041+ | 2.6 | Randy Myers | 50 | NYN |
| +048+ | 2.5 | Lee Guetterman | 54.3 | NYA |
| +057+ | 2.35 | Danny Darwin | 71.7 | HOU |
| +064+ | 2.22 | John Franco | 40.3 | CIN |
| +066+ | 2.12 | Mike Schooler | 43.7 | SEA |
| +069+ | 2.08 | Todd Burns | 60.7 | OAK |
| +070+ | 2.07 | Doug Jones | 40.7 | CLE |
| +072+ | 2.05 | Greg Minton | 45.7 | ANA |
| +073+ | 2.03 | Rob Dibble | 60 | CIN |
| +075+ | 2.03 | Gregg Olson | 47.7 | BAL |
| +080+ | 1.95 | Greg Harris | 47.3 | SDN |
| +083+ | 1.86 | Eric Plunk | 40.7 | TOT |
| +084+ | 1.81 | Craig Lefferts | 58 | SFN |
| +088+ | 1.76 | Mitch Williams | 47.3 | CHN |
| +093+ | 1.69 | Rob Murphy | 54.3 | BOS |
| +097+ | 1.6 | Jim Acker | 65 | ATL |
| +100+ | 1.59 | Rich Gossage | 33.3 | SFN |
| +102+ | 1.57 | Frank DiPino | 50.7 | SLN |
| +108+ | 1.48 | Jeff Russell | 38.7 | TEX |
| +109+ | 1.47 | Todd Worrell | 29.7 | SLN |
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