Ronaldo followed up his injury-time winner against Villarreal at Old Trafford last month by heading the decisive goal in a 3-2 victory over Atalanta.
The Portugal star has been criticised by former teammate Gary Neville for his lack of work-rate and a show of petulance when he stormed down the tunnel following a draw with Everton earlier this month, but manager Ole Gunnar Solskjaer believes Ronaldo answered his critics.
Cristiano Ronaldo was Manchester United's matchwinner as they beat Atalanta 3-2
Ronaldo rose to meet a Luke Shaw cross to head the Red Devils into the lead on 81 minutes
'If anyone wants to criticise him for his work rate or attitude, just watch this game,