The former Portugal defender has explained what makes his fellow countryman such a special player
Juventus superstar Cristiano Ronaldo is a natural-born winner who has proven he does not like to be in "the comfort zone" throughout his glittering career, says Abel Xavier.
Since joining Manchester United as a prodigious teenager, Ronaldo has racked up the biggest collective and individual prizes in world football.
In six years with the Red Devils, Ronaldo won three Premier League trophies, two EFL Cups, an FA Cup and the Champions League in 2008.