| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 9.93 | 198907170_CHN_LAN |
| St. Louis Cardinals | SLN | 2.72 | 198907180_SLN_SFN |
| New York Mets | NYN | 1.89 | 198907160_NYN_ATL |
| San Francisco Giants | SFN | 0.96 | 198907180_SLN_SFN |
| Oakland Athletics | OAK | 0.85 | 198907160_OAK_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -5.81 | 198907170_BOS_TEX |
| Chicago White Sox | CHA | -2.31 | 198907160_MIL_CHA |
| Minnesota Twins | MIN | -1.08 | 198907170_CLE_MIN |
| Seattle Mariners | SEA | -0.91 | 198907180_SEA_BAL |
| Detroit Tigers | DET | -0.71 | 198907160_SEA_DET |
Based on accumulated WAA for this season up to 1989-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +009+ | 4.66 | Orel Hershiser | 152.3 | LAN |
| +020+ | 3.75 | Larry Andersen | 57.3 | HOU |
| +024+ | 3.48 | Bill Landrum | 43.3 | PIT |
| +027+ | 3.35 | Jay Howell | 49.7 | LAN |
| +034+ | 2.91 | Danny Darwin | 77.3 | HOU |
| +035+ | 2.9 | Randy Myers | 53 | NYN |
| +040+ | 2.8 | Jeff Montgomery | 59 | KCA |
| +044+ | 2.76 | Rick Aguilera | 58.7 | NYN |
| +053+ | 2.51 | Todd Burns | 67.3 | OAK |
| +058+ | 2.35 | Craig Lefferts | 64 | SFN |
| +060+ | 2.3 | Gregg Olson | 53 | BAL |
| +064+ | 2.25 | John Franco | 45.3 | CIN |
| +068+ | 2.22 | Rick Mahler | 154 | CIN |
| +072+ | 2.1 | Mike Schooler | 45.7 | SEA |
| +074+ | 2.07 | Mitch Williams | 50.3 | CHN |
| +076+ | 2.04 | Greg Harris | 55.3 | SDN |
| +085+ | 1.9 | Roger McDowell | 53.3 | TOT |
| +088+ | 1.87 | Jim Acker | 70.3 | ATL |
| +092+ | 1.82 | Mark Grant | 57.7 | SDN |
| +095+ | 1.75 | Doug Jones | 46.3 | CLE |
| +096+ | 1.73 | Frank DiPino | 54.3 | SLN |
| +097+ | 1.72 | Greg Minton | 48.7 | ANA |
| +099+ | 1.69 | Rob Dibble | 60.7 | CIN |
| +100+ | 1.67 | Lee Guetterman | 58.7 | NYA |
| +102+ | 1.65 | Eric Plunk | 45 | TOT |
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