| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 3.99 | 198906160_HOU_SDN |
| New York Mets | NYN | 2.49 | 198906160_NYN_PHI |
| Cincinnati Reds | CIN | 2.1 | 198906150_CIN_SDN |
| St. Louis Cardinals | SLN | 1.75 | 198906160_PIT_SLN |
| Oakland Athletics | OAK | 1.32 | 198906161_OAK_BAL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago White Sox | CHA | -4.26 | 198906140_CLE_CHA |
| Pittsburgh Pirates | PIT | -3.39 | 198906140_PHI_PIT |
| Boston Red Sox | BOS | -2.26 | 198906140_DET_BOS |
| Minnesota Twins | MIN | -2.1 | 198906160_MIL_MIN |
| Philadelphia Phillies | PHI | -1.7 | 198906160_NYN_PHI |
Based on accumulated WAA for this season up to 1989-06-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +015+ | 2.91 | Larry Andersen | 41.3 | HOU |
| +027+ | 2.63 | Rick Aguilera | 41 | NYN |
| +031+ | 2.52 | Lee Guetterman | 45 | NYA |
| +036+ | 2.4 | Jay Howell | 39.3 | LAN |
| +038+ | 2.36 | Randy Myers | 40.3 | NYN |
| +048+ | 2.19 | Todd Burns | 49.7 | OAK |
| +050+ | 2.14 | John Franco | 35 | CIN |
| +052+ | 2.11 | Greg Minton | 39 | ANA |
| +064+ | 1.84 | Craig Lefferts | 46.7 | SFN |
| +063+ | 1.84 | Greg Harris | 36.3 | SDN |
| +067+ | 1.78 | Bill Landrum | 23.7 | PIT |
| +069+ | 1.76 | Rob Dibble | 45.3 | CIN |
| +076+ | 1.59 | Pat Perry | 35.7 | CHN |
| +078+ | 1.56 | Jeff Montgomery | 35.7 | KCA |
| +079+ | 1.55 | Frank DiPino | 33.7 | SLN |
| +083+ | 1.51 | Jeff Russell | 29.7 | TEX |
| +085+ | 1.5 | Mike LaCoss | 42.7 | SFN |
| +095+ | 1.38 | Mark Knudson | 52 | MIL |
| +096+ | 1.34 | Mike Schooler | 32.3 | SEA |
| +098+ | 1.31 | Danny Darwin | 55.3 | HOU |
| +100+ | 1.31 | Rich Gossage | 23 | SFN |
| +104+ | 1.28 | Jose Alvarez | 44.7 | ATL |
| +102+ | 1.28 | Gregg Olson | 37.3 | BAL |
| +106+ | 1.26 | Rick Honeycutt | 34 | OAK |
| XXXXX | 1.2 | Jesse Orosco | 21 | CLE |
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