| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | 4.26 | 198005290_PIT_PHI |
| New York Yankees | NYA | 2.74 | 198005310_TOR_NYA |
| Houston Astros | HOU | 0.89 | 198005310_HOU_SFN |
| Atlanta Braves | ATL | 0.68 | 198005310_ATL_LAN |
| Montreal Expos | WAS | 0.44 | 198005310_WAS_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| St. Louis Cardinals | SLN | -7.06 | 198005300_WAS_SLN |
| Seattle Mariners | SEA | -5.09 | 198005310_SEA_CLE |
| California Angels | ANA | -4.28 | 198005310_ANA_DET |
| Toronto Blue Jays | TOR | -3.12 | 198005310_TOR_NYA |
| Oakland Athletics | OAK | -0.66 | 198005300_OAK_TEX |
Based on accumulated WAA for this season up to 1980-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +025+ | 1.96 | Pete Vuckovich | 75.7 | SLN |
| +027+ | 1.9 | Bob Shirley | 31.7 | SDN |
| +028+ | 1.89 | Bill Castro | 25.3 | MIL |
| +029+ | 1.86 | Stan Bahnsen | 27.7 | WAS |
| +034+ | 1.78 | Frank LaCorte | 22.3 | HOU |
| +035+ | 1.78 | Doug Corbett | 42 | MIN |
| +038+ | 1.72 | Enrique Romo | 33.7 | PIT |
| +044+ | 1.7 | Dick Tidrow | 30.3 | CHN |
| +048+ | 1.63 | Al Holland | 22.7 | SFN |
| +060+ | 1.46 | Ed Farmer | 39.7 | CHA |
| +064+ | 1.44 | Dave LaRoche | 36.7 | ANA |
| +065+ | 1.43 | John D'Acquisto | 26.7 | SDN |
| +070+ | 1.37 | Don Hood | 30.7 | SLN |
| +075+ | 1.32 | Woodie Fryman | 17 | WAS |
| XXXXX | 1.24 | Larry Bradford | 22.7 | ATL |
| XXXXX | 1.2 | Tom Burgmeier | 40.7 | BOS |
| XXXXX | 1.1 | Dan Quisenberry | 38 | KCA |
| XXXXX | 1.05 | Grant Jackson | 21.3 | PIT |
| XXXXX | 1.04 | Dickie Noles | 23 | PHI |
| XXXXX | 1.03 | Mike Proly | 46.7 | CHA |
| XXXXX | 1.03 | Rudy May | 30 | NYA |
| XXXXX | 1 | Doug Bair | 27.7 | CIN |
| XXXXX | 0.98 | Bill Caudill | 29.3 | CHN |
| XXXXX | 0.96 | Tippy Martinez | 28.7 | BAL |
| XXXXX | 0.96 | Shane Rawley | 33 | SEA |
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