| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 4.46 | 198809050_CIN_HOU |
| San Diego Padres | SDN | 3.35 | 198809030_SDN_PHI |
| New York Mets | NYN | 2.83 | 198809050_NYN_PIT |
| Montreal Expos | WAS | 1.36 | 198809050_WAS_SLN |
| Houston Astros | HOU | 1.02 | 198809050_CIN_HOU |
| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | -6.53 | 198809050_CLE_NYA |
| Baltimore Orioles | BAL | -3.74 | 198809030_BAL_SEA |
| California Angels | ANA | -2.3 | 198809050_ANA_KCA |
| Seattle Mariners | SEA | -1.58 | 198809040_BAL_SEA |
| Texas Rangers | TEX | -1.49 | 198809050_OAK_TEX |
Based on accumulated WAA for this season up to 1988-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +036+ | 4.34 | John Franco | 74.3 | CIN |
| +052+ | 3.19 | Lance McCullers | 81.3 | SDN |
| +055+ | 3.06 | Mark Davis | 84.7 | SDN |
| +056+ | 3.04 | Brian Holton | 73.7 | LAN |
| +059+ | 3.02 | Greg Harris | 94 | PHI |
| +061+ | 2.97 | Randy Myers | 58 | NYN |
| +062+ | 2.93 | Mike Henneman | 70 | DET |
| +065+ | 2.9 | Bryan Harvey | 72.7 | ANA |
| +073+ | 2.76 | Steve Farr | 73.3 | KCA |
| +074+ | 2.76 | Alejandro Pena | 77.7 | LAN |
| +079+ | 2.6 | Jeff Parrett | 77.3 | WAS |
| +089+ | 2.49 | Juan Agosto | 79.3 | HOU |
| +094+ | 2.37 | John Costello | 39.7 | SLN |
| +097+ | 2.35 | Doug Jones | 73.3 | CLE |
| +098+ | 2.34 | Larry Andersen | 77.7 | HOU |
| +103+ | 2.26 | Chuck Crim | 92 | MIL |
| +106+ | 2.18 | Greg Minton | 67 | ANA |
| +108+ | 2.15 | Michael Jackson | 92.3 | SEA |
| +113+ | 2.02 | Roger McDowell | 78.3 | NYN |
| +116+ | 1.97 | Paul Mirabella | 46 | MIL |
| +123+ | 1.78 | Greg Cadaret | 62 | OAK |
| +125+ | 1.76 | Frank Williams | 56.7 | CIN |
| +128+ | 1.74 | Terry Leach | 82.3 | NYN |
| +130+ | 1.66 | Cecilio Guante | 76.3 | TOT |
| +132+ | 1.64 | Rob Dibble | 45.7 | CIN |
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