Manchester United could activate the £25m buy-back clause in the contract of 21-year-old Benfica and Spain wing-back Alvaro Carreras, who they sold in May.

Manchester United are lining up a £50m move to rival Chelsea for Benfica's Portugal central defender Tomas Araujo, 22, in January.

Manchester United boss Erik ten Hag has expressed an interest in activating a £16m buy-back clause in Spanish left-back Alvaro Fernandez's contract at Benfica. The 21-year-old left Old Trafford this summer.

Manchester United could re-sign Spain Under-21 left-back Alvaro Fernandez Carreras, 21, who left Old Trafford for Benfica in the summer, via a £16m buy-back clause.

Barcelona and Real Madrid are both interested in a move for Spanish left-back Alvaro Fernandez, 21, who Manchester United sold to Benfica last summer.