Pep Guardiola might have spent plenty of time coaching Lionel Messi at Barcelona. But it seems he continues to be stunned by the Argentine's brilliance.

Guardiola was in the Nou Camp stands as Barcelona beat Manchester City 1-0 to send the Catalan club through to the Champions League quarter-finals and was on hand to witness Messi's nonchalant nutmeg on James Milner: