Barcelona youngster Rafa Alcantara has agreed a new contract with the La Liga giants - and the defending Spanish champions hope he'll convince his brother to stay amid interest from Manchester United.

According to talkSPORT, the Catalan club hope Rafa's commitment to Barcelona will persuade his older brother Thiago to ignore speculation linking him with United.

The Spain under-21 star was magnificent at the recent European Championships, and his £16m release clause prompted interest from David Moyes.

Barcelona are desperate to keep him at the Nou Camp, and hope to convince him to stay by offering him more first-team opportunities.

Both Alcantara brothers have been linked with moves to the Premier League, but the report claims Rafa - who was out of contract next summer - has agreed a new deal tying the 20-year-old to the team until 2016.

Reports in Spain earlier this month had claimed that interest in Rafa from the Premier League would make Thiago's transfer to United more likely.

But they now hope his brother's commitment will make him more likely to stay.

Thiago, a 22-year-old central midfielder, has reportedly become frustrated with a lack of playing time at Barcelona - and it's thought to be the reason behind his lower-than-usual release clause.

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