| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 9.93 | 198907170_CHN_LAN |
| St. Louis Cardinals | SLN | 2.89 | 198907190_SLN_SFN |
| Houston Astros | HOU | 2.18 | 198907190_HOU_NYN |
| New York Mets | NYN | 1.8 | 198907171_HOU_NYN |
| San Francisco Giants | SFN | 1.15 | 198907190_SLN_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | -5.81 | 198907170_BOS_TEX |
| Chicago White Sox | CHA | -2.26 | 198907170_NYA_CHA |
| Minnesota Twins | MIN | -1.08 | 198907170_CLE_MIN |
| Seattle Mariners | SEA | -0.95 | 198907190_SEA_BAL |
| Cleveland Indians | CLE | -0.56 | 198907180_CLE_MIN |
Based on accumulated WAA for this season up to 1989-07-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 3.76 | Larry Andersen | 57.3 | HOU |
| +023+ | 3.49 | Bill Landrum | 43.3 | PIT |
| +027+ | 3.36 | Jay Howell | 49.7 | LAN |
| +036+ | 2.92 | Danny Darwin | 77.3 | HOU |
| +037+ | 2.9 | Randy Myers | 53 | NYN |
| +043+ | 2.81 | Jeff Montgomery | 59 | KCA |
| +046+ | 2.76 | Rick Aguilera | 58.7 | NYN |
| +053+ | 2.51 | Todd Burns | 67.3 | OAK |
| +059+ | 2.37 | Craig Lefferts | 66.7 | SFN |
| +061+ | 2.31 | Gregg Olson | 53 | BAL |
| +064+ | 2.26 | John Franco | 45.3 | CIN |
| +067+ | 2.24 | Rick Mahler | 154 | CIN |
| +073+ | 2.11 | Mike Schooler | 45.7 | SEA |
| +077+ | 2.07 | Mitch Williams | 50.3 | CHN |
| +078+ | 2.04 | Greg Harris | 55.3 | SDN |
| +080+ | 2.03 | Jim Acker | 72.3 | ATL |
| +086+ | 1.9 | Roger McDowell | 53.3 | TOT |
| +094+ | 1.84 | Rob Murphy | 60.3 | BOS |
| +097+ | 1.82 | Mark Grant | 57.7 | SDN |
| +098+ | 1.75 | Doug Jones | 46.3 | CLE |
| +101+ | 1.72 | Greg Minton | 48.7 | ANA |
| +104+ | 1.69 | Dan Quisenberry | 51.3 | SLN |
| +105+ | 1.65 | Eric Plunk | 45 | TOT |
| +108+ | 1.63 | Jeff Russell | 40 | TEX |
| +110+ | 1.62 | Jesse Orosco | 40 | CLE |
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