The Spanish playmaker became the Red Devils’ record buy – now usurped by Angel di Maria – when he completed his £37.1m move to Old Trafford from Chelsea in January, but his role in the club’s XI has since been plunged into doubt.
With David Moyes – the manager who signed him – out of the door and Louis van Gaal having invested heavily in attacking players, Mata’s future is far from clear.
The 26-year-old featured in the weekend win over Everton, yet he was only drafted back in following Wayne Rooney’s suspension.
Atleti boss Diego Simeone has been alerted by the situation, with a winter move on his agenda.
The Argentine wants to add more creativity to his defending La Liga champions’ squad, with the ex-Valencia ace an option.
Los Che are also interested in their former man, with a £30m price tag rumoured to be on his head.
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