In 2000, Maradona suffered a severe heart attack triggered by a cocaine overdose. Fidel Castro, a fan of Maradona, invited him to undergo detox in Cuba. After that, Maradona told the world he'd kicked his coke habit.
In 2004, Maradona suffered another severe heart attack triggered by another cocaine overdose, and woke up in intensive care in a Buenos Aires hospital. His survival was in doubt, and it made headlines worldwide when his respirator was disconnected and Maradona continued breathing on his own.
So that's when he made his deal with the devil