Sat September 17, 1988

• FINAL
  

  Nationals2
  

  Mets6
• FINAL
  

  Guardians12
  

  Blue Jays3
• FINAL
  

  Yankees1
  

  Red Sox3
• FINAL
  

  Giants4
  

  Astros2
• FINAL
  

  Cardinals4
  

  Cubs6
• FINAL
  

  White Sox1
  

  Twins3
• FINAL
  

  Royals2
  

  Athletics3
• FINAL
  

  Orioles3
  

  Tigers7
• FINAL
  

  Dodgers4
  

  Reds3
• FINAL
  

  Pirates7
  

  Phillies2
• Game 1FINAL
  

  Padres9
  

  Braves4
• Game 2FINAL
  

  Padres3
  

  Braves6
• FINAL
  

  Rangers7
  

  Angels4
• FINAL
  

  Brewers0
  

  Mariners11