It speaks volumes about Cristiano Ronaldo 's sustained brilliance that a five-game drought is a crisis.
But there is no denying the Manchester United talisman has failed to live up to the world-class standards expected of him since the turn of the year.
Ronaldo, 37, has not found the back of the net since the 3-1 victory over Burnley in late December, and the Clarets themselves were the latest team to frustrate him in a 1-1 stalemate on Tuesday night.
