May 2015 was the month Jose Mourinho confirmed his place in the Chelsea hall of fame. A third Premier League title, 10 years after his first, and the Blues were champions of England once again.
Fast forward two years and those at Stamford Bridge look at Mourinho in a different light. Things move quickly in football... hero to villain in the blink of an eye.
He is now in charge at Old Trafford, patting the badge on his Manchester United jacket at every opportunity. Mourinho is becoming Chelsea's biggest nemesis.
This summer confirmed it, as the Portuguese stole Chelsea's biggest transfer target from under their nose, rubbing it in at the earliest opportunity.