| Team | Tm | Tier | Game |
|---|---|---|---|
| New York Yankees | NYA | 3.95 | 198005180_TEX_NYA |
| Montreal Expos | WAS | 2.91 | 198005190_ATL_WAS |
| Pittsburgh Pirates | PIT | 2.59 | 198005180_PIT_LAN |
| Houston Astros | HOU | 1.69 | 198005180_PHI_HOU |
| Texas Rangers | TEX | 0.95 | 198005200_ANA_TEX |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Seattle Mariners | SEA | -4.22 | 198005200_MIL_SEA |
| California Angels | ANA | -3.27 | 198005180_ANA_KCA |
| St. Louis Cardinals | SLN | -2.88 | 198005190_SLN_LAN |
| Oakland Athletics | OAK | -2.54 | 198005200_OAK_KCA |
| Toronto Blue Jays | TOR | -1.73 | 198005200_BOS_TOR |
Based on accumulated WAA for this season up to 1980-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +029+ | 1.68 | Dan Quisenberry | 30.3 | KCA |
| +031+ | 1.64 | Bill Castro | 23 | MIL |
| +041+ | 1.44 | Stan Bahnsen | 20.7 | WAS |
| +047+ | 1.35 | Frank LaCorte | 18 | HOU |
| +050+ | 1.32 | Dave LaRoche | 26.3 | ANA |
| +056+ | 1.29 | Dick Tidrow | 23.3 | CHN |
| +057+ | 1.29 | Mike Proly | 39 | CHA |
| XXXXX | 1.25 | Bob Shirley | 22.7 | SDN |
| XXXXX | 1.24 | Doug Corbett | 34.3 | MIN |
| XXXXX | 1.2 | Woodie Fryman | 15.7 | WAS |
| XXXXX | 1.17 | Tom Burgmeier | 34.3 | BOS |
| XXXXX | 1.07 | Larry Bradford | 16.3 | ATL |
| XXXXX | 1.02 | Ed Farmer | 31 | CHA |
| XXXXX | 1 | Al Holland | 15.3 | SFN |
| XXXXX | 0.89 | Enrique Romo | 21.7 | PIT |
| XXXXX | 0.87 | Roger Erickson | 25.7 | MIN |
| XXXXX | 0.81 | Bill Caudill | 22.7 | CHN |
| XXXXX | 0.79 | Jeff Jones | 13.7 | OAK |
| XXXXX | 0.79 | Rollie Fingers | 20 | SDN |
| XXXXX | 0.76 | Dave Smith | 16 | HOU |
| XXXXX | 0.75 | Elias Sosa | 17.7 | WAS |
| XXXXX | 0.73 | Pedro Borbon | 17 | SLN |
| XXXXX | 0.71 | Tippy Martinez | 23.7 | BAL |
| XXXXX | 0.71 | Dickie Noles | 17 | PHI |
| XXXXX | 0.69 | Mark Clear | 21.7 | ANA |
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