Thu April 13, 1978

• FINAL
  

  Mariners

  1
  

  Athletics

  3
• FINAL/11
  

  Twins

  0
  

  Angels

  1
• FINAL
  

  Pirates

  5
  

  Cardinals

  6
• FINAL/13
  

  Giants

  6
  

  Reds

  7
• FINAL
  

  White Sox

  2
  

  Yankees

  4