Atletico Madrid will resist any attempts made by Manchester United to sign their star left-back Filipe Luis, according to the Daily Mail.
David Moyes has been on the lookout for a new full-back ever since arriving at Old Trafford in the summer.
After initial attempts to sign Leighton Baines from Everton in the summer failed, Moyes made approaches for Fabio Coentrao only to see efforts fall flat again.
The Manchester United manager has had six more months to evaluate potential targets and has put Brazilian Filipe high up on his wish list.
Phil Neville travelled to Tuesday's Copa del Rey tie against Valencia to run the rule over Filipe, returning to Moyes with rave reviews.
However, Atletico are in the midst of a title fight with Barcelona and are still fighting for three trophies.
Diego Simeone sees Filipe as a vital part of their hunt for a treble-winning season and, as a result, will not consider any bids for the player until the summer.
The asking price for the 28-year-old is reported to be £18m, but Atletico won't sell him for that price halfway through the season.
Such a situation could be perfect for United as Patrice Evra still has six months to run on his current deal.
The Frenchman is expect to depart Old Trafford for free in the summer meaning Moyes' need for a new left-back won't become urgent until the end of the season.
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