| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | 4.4 | 198907260_CHN_SLN |
| Los Angeles Dodgers | LAN | 3.6 | 198907240_LAN_PIT |
| 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 | -3.36 | 198907240_SEA_CHA |
| Seattle Mariners | SEA | -2.95 | 198907260_SEA_CHA |
| Boston Red Sox | BOS | -2.49 | 198907260_KCA_BOS |
| Atlanta Braves | ATL | -1.71 | 198907240_SFN_ATL |
| Detroit Tigers | DET | -1.08 | 198907250_DET_MIL |
Based on accumulated WAA for this season up to 1989-07-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +018+ | 4.03 | Larry Andersen | 60.7 | HOU |
| +025+ | 3.48 | Jay Howell | 53.7 | LAN |
| +028+ | 3.39 | Bill Landrum | 47.3 | PIT |
| +034+ | 3.25 | Jeff Montgomery | 64.3 | KCA |
| +040+ | 2.99 | Randy Myers | 56.7 | NYN |
| +053+ | 2.6 | Rick Aguilera | 64.3 | NYN |
| +055+ | 2.59 | Danny Darwin | 83.7 | HOU |
| +060+ | 2.5 | Todd Burns | 70 | OAK |
| +062+ | 2.45 | Mitch Williams | 55 | CHN |
| +064+ | 2.36 | Craig Lefferts | 71.7 | SFN |
| +074+ | 2.15 | Roger McDowell | 56.3 | TOT |
| +075+ | 2.13 | Greg Minton | 54 | ANA |
| +078+ | 2.12 | Mike Schooler | 48.3 | SEA |
| +087+ | 2 | Gregg Olson | 54.3 | BAL |
| +089+ | 1.95 | Jim Acker | 76.3 | ATL |
| +091+ | 1.91 | Jeff Parrett | 62.7 | PHI |
| +095+ | 1.86 | Jeff Russell | 43 | TEX |
| +097+ | 1.8 | Donn Pall | 61.3 | CHA |
| +100+ | 1.79 | Les Lancaster | 20.7 | CHN |
| +101+ | 1.78 | Mark Grant | 62.3 | SDN |
| +102+ | 1.77 | Rob Murphy | 62.3 | BOS |
| +103+ | 1.77 | Todd Worrell | 35.3 | SLN |
| +113+ | 1.69 | Rick Honeycutt | 53.3 | OAK |
| +112+ | 1.69 | Doug Jones | 50.7 | CLE |
| +117+ | 1.65 | Mark Davis | 51 | SDN |
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