| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 4.67 | 198907270_LAN_HOU |
| St. Louis Cardinals | SLN | 4.4 | 198907260_CHN_SLN |
| Oakland Athletics | OAK | 1.67 | 198907260_ANA_OAK |
| New York Mets | NYN | 1.48 | 198907250_PIT_NYN |
| San Francisco Giants | SFN | 1.35 | 198907250_SFN_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -3.45 | 198907270_CHA_ANA |
| Seattle Mariners | SEA | -2.95 | 198907260_SEA_CHA |
| Boston Red Sox | BOS | -2.51 | 198907270_KCA_BOS |
| Atlanta Braves | ATL | -1.63 | 198907250_SFN_ATL |
| Detroit Tigers | DET | -1.12 | 198907270_DET_MIL |
Based on accumulated WAA for this season up to 1989-07-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +022+ | 3.71 | Larry Andersen | 61.7 | HOU |
| +023+ | 3.58 | Jay Howell | 54.7 | LAN |
| +024+ | 3.57 | Bill Landrum | 49.3 | PIT |
| +033+ | 3.27 | Jeff Montgomery | 64.3 | KCA |
| +041+ | 3.1 | Mike Morgan | 128.3 | LAN |
| +046+ | 2.85 | Randy Myers | 57.3 | NYN |
| +047+ | 2.79 | Rick Aguilera | 66.3 | NYN |
| +052+ | 2.62 | Danny Darwin | 83.7 | HOU |
| +056+ | 2.52 | Todd Burns | 70 | OAK |
| +059+ | 2.46 | Mitch Williams | 55 | CHN |
| +062+ | 2.39 | Craig Lefferts | 71.7 | SFN |
| +072+ | 2.16 | Roger McDowell | 56.3 | TOT |
| +078+ | 2.13 | Mike Schooler | 48.3 | SEA |
| +086+ | 2.05 | Greg Minton | 55.3 | ANA |
| +087+ | 2.02 | Gregg Olson | 54.3 | BAL |
| +089+ | 1.97 | Jim Acker | 76.3 | ATL |
| +090+ | 1.96 | Rob Murphy | 64.3 | BOS |
| +092+ | 1.92 | Jeff Parrett | 62.7 | PHI |
| +096+ | 1.87 | Jeff Russell | 43 | TEX |
| +099+ | 1.82 | Donn Pall | 61.3 | CHA |
| +100+ | 1.8 | Mark Grant | 62.3 | SDN |
| +101+ | 1.79 | Les Lancaster | 20.7 | CHN |
| +102+ | 1.78 | Todd Worrell | 35.3 | SLN |
| +110+ | 1.7 | Doug Jones | 50.7 | CLE |
| +111+ | 1.7 | Rick Honeycutt | 53.3 | OAK |
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