City know all too well about Barca, even their manager used to coach the team and he will know all about their dismal record.
The Citizens have lost all four of their previous Champions League matches against Barcelona.
City also have the likes of Lionel Messi, Luis Suarez and co to worry about. To make matters worse they may now have another problem – Arda Turan.
Turan looked down and out after Euro 2016, his reputation was in tatters, his Barcelona future was in doubt and there were reports of him being forced out the club.
The bearded winger showed tremendous character in being able to block out the naysayers and respond on the pitch.
The 29-year-old scored and provided an assists in the 6-2 demolition of Real Betis. Turan now has three goals and an assist in his last three games for Barca this season.
The former Atletico Madrid star is the most successful Turkish player in the countries footballing history having now won every domestic Spanish title twice.
Turan also won every domestic title in Turkey with Galatasaray and has also lifted the Europa League, European Super Cup and reached the Champions League final.