| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 4.81 | 198907231_LAN_PIT |
| St. Louis Cardinals | SLN | 4.4 | 198907230_SLN_SDN |
| Oakland Athletics | OAK | 1.63 | 198907250_ANA_OAK |
| New York Mets | NYN | 1.48 | 198907250_PIT_NYN |
| San Francisco Giants | SFN | 1.35 | 198907250_SFN_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -5.76 | 198907230_CHA_BOS |
| Chicago White Sox | CHA | -3.72 | 198907230_CHA_BOS |
| Atlanta Braves | ATL | -1.71 | 198907240_SFN_ATL |
| Seattle Mariners | SEA | -1.17 | 198907230_TOR_SEA |
| Detroit Tigers | DET | -1.08 | 198907250_DET_MIL |
Based on accumulated WAA for this season up to 1989-07-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +016+ | 4.03 | Larry Andersen | 60.7 | HOU |
| +024+ | 3.48 | Jay Howell | 53.7 | LAN |
| +025+ | 3.39 | Bill Landrum | 47.3 | PIT |
| +038+ | 3.04 | Jeff Montgomery | 62 | KCA |
| +039+ | 2.99 | Randy Myers | 56.7 | NYN |
| +053+ | 2.62 | Todd Burns | 69 | OAK |
| +054+ | 2.6 | Rick Aguilera | 64.3 | NYN |
| +055+ | 2.59 | Danny Darwin | 83.7 | HOU |
| +060+ | 2.44 | Mitch Williams | 55 | CHN |
| +064+ | 2.36 | Craig Lefferts | 71.7 | SFN |
| +071+ | 2.23 | Mike Schooler | 47.3 | SEA |
| +078+ | 2.12 | Greg Minton | 54 | ANA |
| +080+ | 2.06 | Roger McDowell | 55.3 | TOT |
| +085+ | 2 | Gregg Olson | 54.3 | BAL |
| +088+ | 1.9 | Doug Jones | 48.3 | CLE |
| +093+ | 1.86 | Jim Acker | 75.3 | ATL |
| +094+ | 1.82 | Jeff Parrett | 61.7 | PHI |
| +096+ | 1.8 | Donn Pall | 61.3 | CHA |
| +098+ | 1.78 | Les Lancaster | 20.7 | CHN |
| +099+ | 1.77 | Jeff Russell | 42 | TEX |
| +105+ | 1.71 | Todd Worrell | 34.7 | SLN |
| +108+ | 1.69 | Rob Murphy | 61.3 | BOS |
| +110+ | 1.66 | Rick Honeycutt | 53 | OAK |
| +113+ | 1.65 | Kenny Rogers | 45.3 | TEX |
| +111+ | 1.65 | Jesse Orosco | 43 | CLE |
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