| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | 4.55 | 198908010_HOU_CIN |
| Los Angeles Dodgers | LAN | 4.19 | 198908010_SFN_LAN |
| St. Louis Cardinals | SLN | 1.43 | 198908010_NYN_SLN |
| Oakland Athletics | OAK | 1.42 | 198908030_CHA_OAK |
| Philadelphia Phillies | PHI | 1.12 | 198908030_CHN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Detroit Tigers | DET | -5.9 | 198908010_TEX_DET |
| Seattle Mariners | SEA | -3.47 | 198908010_ANA_SEA |
| Boston Red Sox | BOS | -3.25 | 198908030_CLE_BOS |
| Chicago White Sox | CHA | -3.13 | 198908010_CHA_OAK |
| Baltimore Orioles | BAL | -2.09 | 198908011_BAL_BOS |
Based on accumulated WAA for this season up to 1989-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 4.01 | Bill Landrum | 54.3 | PIT |
| +025+ | 4 | Larry Andersen | 64.7 | HOU |
| +027+ | 3.9 | Jay Howell | 58 | LAN |
| +032+ | 3.56 | Jeff Montgomery | 67.7 | KCA |
| +039+ | 3.19 | Mike Morgan | 131 | LAN |
| +045+ | 3 | Danny Darwin | 87.7 | HOU |
| +050+ | 2.86 | Mitch Williams | 59.3 | CHN |
| +051+ | 2.78 | Craig Lefferts | 75.7 | SFN |
| +059+ | 2.64 | Randy Myers | 59.3 | NYN |
| +063+ | 2.58 | Jeff Parrett | 70 | PHI |
| +064+ | 2.52 | Todd Burns | 72.3 | OAK |
| +065+ | 2.48 | Roger McDowell | 59.7 | TOT |
| +070+ | 2.38 | Les Lancaster | 27.3 | CHN |
| +071+ | 2.36 | Rob Murphy | 71 | BOS |
| +077+ | 2.22 | Mike Schooler | 51.7 | SEA |
| +079+ | 2.21 | Donn Pall | 67.7 | CHA |
| +089+ | 2.1 | Mark Davis | 56 | SDN |
| +092+ | 2.07 | Jeff Russell | 45 | TEX |
| +097+ | 1.96 | Rick Honeycutt | 56.3 | OAK |
| +098+ | 1.94 | Jesse Orosco | 46 | CLE |
| +099+ | 1.92 | Dennis Eckersley | 29.3 | OAK |
| +106+ | 1.88 | Rob Dibble | 65.3 | CIN |
| +109+ | 1.84 | Mark Grant | 70 | SDN |
| +113+ | 1.77 | Rick Aguilera | 73.3 | TOT |
| +114+ | 1.76 | Eric Plunk | 55.7 | TOT |
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