Manchester United have officially sold Alvaro Fernandez to Benfica on a permanent transfer. The Portuguese side has exercised the option to purchase the player on a permanent basis after he spent the second half of the season on loan there. Alvaro Fernandez made 16 appearances and scored once for Benfica during his loan spell, which has impressed his new manager enough to bite the bullet in a €6million (£5.1m) deal, plus an additional €3m (£2.6m) in potential add-ons. The former Denzil Haroun Reserve-Team Player of the Year award winner departs the Red Devils having not played a single minute …