Thu May 1, 1980

• FINAL/10
  

  Nationals

  1
  

  Pirates

  2
• FINAL
  

  Braves

  3
  

  Padres

  4
• FINAL
  

  Astros

  9
  

  Reds

  3
• FINAL
  

  Guardians

  2
  

  Blue Jays

  1
• FINAL
  

  Phillies

  2
  

  Mets

  1
• FINAL
  

  Red Sox

  4
  

  White Sox

  3
• FINAL
  

  Mariners

  1
  

  Angels

  2