Yves Bissouma believes Manchester City once had on their books the greatest footballer ever to hail from Africa. So many top stars have come and gone at the Etihad Stadium, and fans have been treated to some absolutely quality players over the years. The 2008 takeover made it possible for the club to sign some exceptional talents, many of whom played important roles in the winning of various titles. Back in 2010, Manchester City made a game-changing signing that would pave the way for the success we see today. Just a couple of years after being taken over, City needed a statement addition – an…