Mon May 5, 1980

• FINAL
  

  Astros

  1
  

  Nationals

  10
• FINAL/10
  

  Reds

  2
  

  Mets

  3
• FINAL
  

  Twins

  4
  

  Orioles

  2
• FINAL
  

  Braves

  1
  

  Phillies

  7
• FINAL
  

  Giants

  5
  

  Cardinals

  9
• FINAL
  

  Red Sox

  3
  

  Rangers

  11
• FINAL
  

  Brewers

  7
  

  White Sox

  11
• FINAL
  

  Guardians

  1
  

  Athletics

  5