Thu August 21, 1980

• FINAL
  

  Giants1
  

  Mets5
• FINAL/17
  

  Padres8
  

  Phillies9
• FINAL
  

  Red Sox5
  

  Athletics1
• FINAL/10
  

  Dodgers5
  

  Nationals4
• FINAL
  

  Cubs4
  

  Braves6
• FINAL
  

  Guardians4
  

  Royals3
• FINAL
  

  Pirates5
  

  Astros12
• Game 1FINAL
  

  Tigers3
  

  Twins5
• Game 2FINAL
  

  Tigers4
  

  Twins2
• FINAL
  

  Blue Jays3
  

  White Sox5
• FINAL
  

  Orioles7
  

  Angels1
• FINAL
  

  Yankees4
  

  Mariners6