Ronaldo has announced his retirement from football after an impressive career . The two - time World Cup winner said the decision was down to injury and a lack of fitness . Ronaldo accused one of them of trying to extort money from him . The three - time World Player of the Year also revealed he suffers from hypothyroidism . The drug required to treat the illness is banned under FIFA 's anti - doping rules .
Ronaldo has announced his retirement from football after an impressive career . The two - time World Cup winner said the decision was down to injury and a lack of fitness . The three - time World Player of the Year also revealed he suffers from hypothyroidism . The drug required to treat the illness is banned under FIFA 's anti - doping rules .