The left-back is the club’s third signing of the summer and will provide competition for Luke Shaw
Manchester United have confirmed the signing of full-back Alex Telles on a four-year deal with the option for one in addition.
The 27-year-old underwent a medical at the club’s training ground on Monday after breakthrough in negotiations with Porto on Sunday.
Telles was ready to fly to Brazil for international duty when the two sides came to an agreement on a fee.