Jose Mourinho is understood to have his eye on the Barcelona star as he looks to bolster his squad in the summer.
But Spanish publication Diario Gol claim Messi is trying to stop Alba leaving with the Argentine concerned they won’t be able to replace him.
Alba won’t come cheap though if United want to sign him with his release clause set at £130m.
Jordi Alba is attracting interest from Manchester United
Valuable players out of contract this summer
Thu, March 23, 2017
Express Sport takes a look at 10 valuable players who are out of contract this summer
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1. Jesus Navas (Manchester City) – £12.75m
Liverpool have reportedly sounded out James Rodriguez’s representatives over a potential move.
The Real Madrid midfielder has been tipped to leave the Bernabeu in the summer with a host of Premier League clubs chasing his signature.
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But The Mirror claim Liverpool are confident of completing a move for the £65m-rated star.
However, a deal could largely depend on whether the Reds can offer Rodriguez Champions League football next season.
The top 15 worst leg breaks in football
Fri, March 24, 2017
Express Sport brings together a collection of the most gruesome leg breaks in football – not for the squeamish…
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GRAPHIC CONTENT: The top 15 most gruesome leg breaks in football
Romelu Lukaku is keen on a return to Chelsea
The Belgian star left the Blues in 2014 under Mourinho but Antonio Conte is ready to bring him back to west London.
Express Sport understands Chelsea will offer the Toffees a £70million cash-plus-player deal for his services.
They plan to test Everton’s resolve with a £40m offer, plus Michy Batshuayi, who has struggled to hit the ground running at Chelsea since his £33m move from Marseille last summer.
Jack Wilshere is reportedly keen on a move to AC Milan
Arsenal midfielder Jack Wilshere is keen to seal a move to AC Milan, according to reports.
The England international is currently on a season-long loan with Bournemouth.
He will return to Arsenal at the end of the campaign but his future remains uncertain.
And the Daily Mail claim he is now eager for a fresh start in Italy and believes a move to Milan will resurrect his stalling career.