Manchester United remain in the hunt to sign in-demand Benfica defender Ezequiel Garay despite having no manager, [football] direct news understands. The race to sign the Argentine centre-back is heating up with Napoli trying to steal a march on United, Monaco and Juventus who have entered the race. Garay has been one of the most impressive performers for the Portuguese giants this season, helping the club to the league title and the final of the Europa League after beating Juventus in the semi-final. The 27-year-old former Real Madrid player is tipped to leave the club this summer with Benitez urging his board to move quickly to land the star. Sacked United boss David Moyes had made the defender a priority signing with European football sources revealing the club are still keen to land the star as they prepare to say goodbye to club legend Nemanja Vidic who makes his final Old Trafford appearance tonight.