The La Liga champions have been linked with the Citizens hit-man for some time, and were even thought to have been ready to make an offer over the summer.
However, after spending a vast amount to lure Neymar to the Nou Camp, they opted against a deal.
But, manager Tata Martino is thought to have made an orthodox centre-forward his top target over the coming transfer windows, and Aguero is thought to be on his radar.
The Argentine is keen to alter Barca’s ‘strikerless’ set-up, and sees his compatriot as a good option.
Rumours suggest that Messi – who holds much clout at the club – also wants his international team-mate to be signed, opening the door for a move.
City are desperate to keen the man who fired them to the Premier League title in 2011/12, but may face a battle to convince him to stay if interest is serious, with a source close to Aguero claiming that he would jump at the chance to join the Catalan giants.
“He’s crazy about Barca,” the source said.
Can Manchester City keep Sergio Aguero away from Barcelona?
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