Every great villain has their origin story, from The Joker to Cruella de Vil.
In February 2005, depending on your allegiances, it was the turn of Jose Mourinho or Rafa Benitez turning from a wide-eyed optimist into an irredeemable enemy over the course of 120 short minutes.
The bad blood between the two managers was a running theme when Mourinho was in charge at Chelsea and Benitez sat in the Liverpool dugout, and Blues fans hadn’t forgotten when the Spaniard tried and failed to win them over as interim manager at Stamford Bridge.