The 30-year-old has enjoyed a hugely successful five years at the Etihad Stadium, contributing 39 goals and winning three Premier League titles.
With two years remaining on his contract, City remain in a relatively strong position with regards to his future.
While any transfer is unlikely to take place this summer, the Catalan giants may look to exploit an opportunity to sign Gundogan for a cut-price fee in 2022.
Gundogan has just enjoyed his best campaign at Man City with 16 goals being netted in the Premier League and Champions League. body check tags ::