| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 7.32 | 198907180_CHN_LAN |
| St. Louis Cardinals | SLN | 2.98 | 198907200_SLN_SDN |
| Houston Astros | HOU | 2.18 | 198907190_HOU_NYN |
| New York Mets | NYN | 1.65 | 198907190_HOU_NYN |
| San Francisco Giants | SFN | 1.15 | 198907190_SLN_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -3.84 | 198907190_BOS_TEX |
| Seattle Mariners | SEA | -2.21 | 198907200_TOR_SEA |
| Chicago White Sox | CHA | -2.05 | 198907190_NYA_CHA |
| San Diego Padres | SDN | -0.8 | 198907200_SLN_SDN |
| Cleveland Indians | CLE | -0.56 | 198907180_CLE_MIN |
Based on accumulated WAA for this season up to 1989-07-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +020+ | 3.76 | Larry Andersen | 57.3 | HOU |
| +023+ | 3.48 | Bill Landrum | 43.3 | PIT |
| +026+ | 3.35 | Jay Howell | 49.7 | LAN |
| +036+ | 3.05 | Rick Aguilera | 62 | NYN |
| +039+ | 2.92 | Danny Darwin | 77.3 | HOU |
| +040+ | 2.9 | Randy Myers | 53 | NYN |
| +044+ | 2.8 | Jeff Montgomery | 59 | KCA |
| +055+ | 2.51 | Todd Burns | 67.3 | OAK |
| +059+ | 2.36 | Craig Lefferts | 66.7 | SFN |
| +062+ | 2.3 | Gregg Olson | 53 | BAL |
| +065+ | 2.25 | John Franco | 45.3 | CIN |
| +076+ | 2.06 | Mitch Williams | 50.3 | CHN |
| +079+ | 2.03 | Jim Acker | 72.3 | ATL |
| +083+ | 1.92 | Rick Mahler | 160 | CIN |
| +087+ | 1.9 | Roger McDowell | 53.3 | TOT |
| +085+ | 1.9 | Mark Grant | 58.7 | SDN |
| +095+ | 1.83 | Rob Murphy | 60.3 | BOS |
| +094+ | 1.83 | Doug Jones | 47.3 | CLE |
| +102+ | 1.72 | Greg Minton | 48.7 | ANA |
| +104+ | 1.7 | Jesse Orosco | 41 | CLE |
| +106+ | 1.68 | Dan Quisenberry | 51.3 | SLN |
| +107+ | 1.67 | Todd Worrell | 31.7 | SLN |
| +112+ | 1.62 | Jeff Russell | 40 | TEX |
| +116+ | 1.6 | Jeff Parrett | 56.7 | PHI |
| +117+ | 1.59 | Les Lancaster | 18.3 | CHN |
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