| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 4.81 | 198907231_LAN_PIT |
| St. Louis Cardinals | SLN | 4.45 | 198907220_SLN_SDN |
| Houston Astros | HOU | 2.86 | 198907210_PHI_HOU |
| New York Mets | NYN | 2.6 | 198907220_ATL_NYN |
| Oakland Athletics | OAK | 1.43 | 198907230_BAL_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -5.76 | 198907230_CHA_BOS |
| Chicago White Sox | CHA | -3.94 | 198907220_CHA_BOS |
| Atlanta Braves | ATL | -1.37 | 198907230_ATL_NYN |
| Seattle Mariners | SEA | -1.17 | 198907230_TOR_SEA |
| San Diego Padres | SDN | -0.98 | 198907230_SLN_SDN |
Based on accumulated WAA for this season up to 1989-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 3.92 | Larry Andersen | 59.3 | HOU |
| +021+ | 3.64 | Bill Landrum | 45.3 | PIT |
| +024+ | 3.48 | Jay Howell | 53.7 | LAN |
| +026+ | 3.33 | Danny Darwin | 82.3 | HOU |
| +040+ | 3 | Randy Myers | 56.7 | NYN |
| +041+ | 2.96 | Jeff Montgomery | 61 | KCA |
| +044+ | 2.86 | Rick Aguilera | 62.3 | NYN |
| +054+ | 2.64 | Todd Burns | 69 | OAK |
| +060+ | 2.47 | Craig Lefferts | 68 | SFN |
| +073+ | 2.18 | Mike Schooler | 46.7 | SEA |
| +075+ | 2.13 | Mitch Williams | 51.3 | CHN |
| +081+ | 2.02 | Greg Minton | 52.7 | ANA |
| +084+ | 1.93 | Rick Mahler | 160 | CIN |
| +086+ | 1.92 | Gregg Olson | 53.3 | BAL |
| +087+ | 1.91 | Doug Jones | 48.3 | CLE |
| +089+ | 1.89 | Roger McDowell | 53.3 | TOT |
| +091+ | 1.87 | Jim Acker | 75.3 | ATL |
| +096+ | 1.78 | Jeff Russell | 42 | TEX |
| +099+ | 1.76 | Les Lancaster | 20.3 | CHN |
| +101+ | 1.74 | Donn Pall | 58 | CHA |
| +102+ | 1.72 | Todd Worrell | 34.7 | SLN |
| +105+ | 1.7 | Rob Murphy | 61.3 | BOS |
| +107+ | 1.68 | Dan Quisenberry | 51.3 | SLN |
| +109+ | 1.66 | Jeff Parrett | 59.7 | PHI |
| +110+ | 1.64 | Mark Grant | 60.7 | SDN |
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