| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 9.35 | 198907130_SLN_LAN |
| St. Louis Cardinals | SLN | 2.66 | 198907130_SLN_LAN |
| New York Yankees | NYA | 1.8 | 198907130_KCA_NYA |
| New York Mets | NYN | 1.12 | 198907150_NYN_ATL |
| California Angels | ANA | 0.83 | 198907150_ANA_BAL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -6.16 | 198907130_BOS_MIN |
| Chicago White Sox | CHA | -4.5 | 198907130_MIL_CHA |
| Detroit Tigers | DET | -1.6 | 198907130_SEA_DET |
| Minnesota Twins | MIN | -1.44 | 198907130_BOS_MIN |
| Seattle Mariners | SEA | -1.01 | 198907130_SEA_DET |
Based on accumulated WAA for this season up to 1989-07-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +014+ | 3.87 | Orel Hershiser | 143.3 | LAN |
| +018+ | 3.65 | Larry Andersen | 56.3 | HOU |
| +027+ | 3.29 | Bill Landrum | 41.3 | PIT |
| +030+ | 3.17 | Jay Howell | 47.7 | LAN |
| +034+ | 2.87 | Rick Aguilera | 57.7 | NYN |
| +037+ | 2.8 | Randy Myers | 52 | NYN |
| +043+ | 2.69 | Jeff Montgomery | 58 | KCA |
| +045+ | 2.63 | Danny Darwin | 74.3 | HOU |
| +056+ | 2.4 | Doug Jones | 44.3 | CLE |
| +063+ | 2.2 | Gregg Olson | 49.3 | BAL |
| +064+ | 2.19 | Craig Lefferts | 62.3 | SFN |
| +068+ | 2.14 | Greg Harris | 49.3 | SDN |
| +067+ | 2.14 | Todd Burns | 63.3 | OAK |
| +071+ | 2.08 | Mike Schooler | 45.7 | SEA |
| +070+ | 2.08 | John Franco | 43.3 | CIN |
| +077+ | 1.97 | Eric Plunk | 44 | TOT |
| +087+ | 1.79 | Mitch Williams | 47.3 | CHN |
| +090+ | 1.78 | Rob Murphy | 55 | BOS |
| +091+ | 1.77 | Jim Acker | 67 | ATL |
| +094+ | 1.7 | Rob Dibble | 60.7 | CIN |
| +095+ | 1.69 | Mark Grant | 56.3 | SDN |
| +096+ | 1.68 | Roger McDowell | 51 | TOT |
| +100+ | 1.65 | Greg Minton | 48 | ANA |
| +099+ | 1.65 | Lee Guetterman | 58.7 | NYA |
| +103+ | 1.6 | Frank DiPino | 50.7 | SLN |
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