The players gonna play, play, play. And the haters gonna hate, hate, hate
  1. Red Sox/Yankees
    Also the longest rivalry in terms of game time
  2. Duke/UNC
    Best 8 mile, non-rap, rivalry
  3. Ohio State/Michigan/Penn State
    Best 3 way rivalry
  4. Anyone in the NFC East
    Where everyone in it hates everyone and and everyone outside of it hates everyone, too
  5. Kentucky/Louisville
    Best rivalry where fans categorize their blood color
  6. Browns/Steelers
    Best one sided rivalry
  7. UCONN/Notre Dame women's hoops
    Geno Auriemma and Muffet McGraw - diabolical haters locked up in a player hater's ball
  8. Nadal/Djokovic
    Gruntiest rivalry
  9. Barcelona/Real Madrid
    Best looking rivalry
  10. Peyton Manning/Tom Brady
    Best rivalry for guys who have never been on the field together, ever before
  11. Warriors/Clippers
    The least likely rivalry 5 years ago and the most fun rivalry, come next week.