Mon May 1, 1978

• FINAL
  

  Giants

  2
  

  Cardinals

  1
• FINAL
  

  Orioles

  6
  

  Red Sox

  9
• FINAL
  

  Padres

  4
  

  Pirates

  7
• FINAL
  

  Phillies

  12
  

  Reds

  1
• FINAL
  

  Mets

  5
  

  Braves

  6
• FINAL
  

  Royals

  4
  

  Yankees

  8