Tensions can occasionally boil over on the pitch, but Jake Conneely and Dan Steeden pick out a handful of figures who really threw their toys out of the pram
He informed Mancini in no uncertain terms that he would not be warming up during City's Champions League clash with Bayern Munich
Carlos Tevez was never far from trouble during his time in the Premier League; even the transfer that brought him to England in the first place was laden with controversy.
Despite plying his trade in London and Manchester for the best part of seven years, the Argentinian striker never really got to grips with the language.