Pep Guardiola saw Manchester City outclass Cardiff City in the fourth round of the FA Cup but could be left counting an injury cost.
Manchester City booked their place in the fifth round of the FA Cup with a 2-0 win at Cardiff City but left the Welsh capital with fears over the fitness of winger Leroy Sane.
A clever eighth minute free-kick from Kevin De Bruyne and Raheem Sterling's 19th goal of the season were due rewards for first-half dominance and came either side of a scintillating Bernardo Silva strike that was controversially ruled out for offside.