Manchester United's interest in midfielder Douglas Costa has been confirmed by the player's agent.
The Brazilian international, who plies his trade with Shakhtar Donetsk in the Ukraine, has been linked with a move to Old Trafford in the past, and agent Cesar Bottega confirmed that the red Devils weren't the only club tracking the 20-year-old.
Costa was reportedly close to joining Juventus in the summer before a Serie 'A' switch fell through, but now the player is thought to have several option on the table from across Europe as he considers his options.
"There is much interest around Douglas, moreover, he was one of the best young players who showed off in this season's Champions League," Bottega told calciomercatoweb.it.
"Several clubs are following him and there was some contact, but no concrete proposal has yet arrived. Manchester United have liked him since a long time, in Italy there is Napoli which should be an important club for him.
"It is normal that if we get important offers for the club and the player, these will be taken into account."
Sir Alex Ferguson was first linked with a move for the player during his time at Gremio, with Manchester United scouts in south America thought to be monitoring the player closely a few years ago.
Instead, the player made a €6 million move to Shakhtar in January 2010, but has been impressive both domestically and in Europe for the Ukrainian Premier League champions.
Manchester United are yet to speak on the issue, although it's clear that they will face competition if they wish to bring the player to Old Trafford in the summer.
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