SL Benfica have now signed the contracts that will see Manchester United left-back Alvaro Fernandez join the Portuguese giants, according to reports. The deal to take Alvaro Fernandez to SL Benfica has accelerated rather quickly with terms now being agreed between the two sides and a deal looks to be in the offing. United sent the Spanish left-back on loan to La Liga side Granada but despite the 20-year-old looking promising in patches, he wasn’t consistently starting for the team so the Red Devils brought him back. Fernandez has not been treated well by the Red Devils and there is an argument…