Man Utd following Porto fullback Alex Sandro

Porto youngster Alex Sandro is interesting Manchester United.

Porto youngster Alex Sandro is interesting Manchester United.

United scouts, tracking the progress of Porto star James Rodriguez, have alerted Sir Alex Ferguson to the progress of 21 year-old Brazilian fullback Alex Silva.

The youngster is now on Ferguson's radar as he considers buying a new left-back next month.

Have your say