Manchester United have identified Porto’s Alex Sandro as a potential replacement for Patrice Evra. United boss David Moyes is look at several options this summer as he bids to replace the out of contract Evra this summer. He is looking at Brazilian Sandro, who is able to not only defend but add an attacking option down the flank. Although Porto are reluctant to sell their best players, according to Fichajes.net, they would consider any lucrative offer that came in for Sandro. It is understood that Sandro would be willing to leave Porto should a bid from a big Premier league club materialise. The Brazilian 23-year-old has been in impressive form for the Portuguese giants this season, attracting interest from United and Chelsea.Porto will be desperate not to lose another top player, with the likes of Jackson Martinez and Eliaquim Mangala also attracting plenty of interest this summer, With Chelsea andManchester City both interested.