Manchester United's Cristiano Ronaldo celebrates scoring their third goal with Harry Maguire during the match Champions League Group F between Manchester United vs Atalanta at Old Trafford, Manchester, October 20, 2021. Cristiano Ronaldo headed in an 81st-minute winner as Manchester United came from two goals down to beat Atalanta 3-2 in a pulsating Champions League Group F match. REUTERS/Phil Noble

Manchester United's Cristiano Ronaldo scores their third goal during the match Champions League Group F between Manchester United vs Atalanta at Old Trafford, Manchester, October 20, 2021. REUTERS/Phil Noble

Manchester United's Harry Maguire scores their second goal during the match Champions League Group F between Manchester United vs Atalanta at Old Trafford, Manchester, October 20, 2021. REUTERS/Phil Noble

Manchester United's Harry Maguire celebrates scoring their second goal during the match Champions League Group F between Manchester United vs Atalanta at Old Trafford, Manchester, October 20, 2021. REUTERS/Phil Noble

Manchester United's Marcus Rashford shoots at goal during the match Champions League Group F between Manchester United vs Atalanta at Old Trafford, Manchester, October 20, 2021. REUTERS/Phil Noble

Manchester United's Cristiano Ronaldo scores their third goal during the match Champions League Group F between Manchester United vs Atalanta at Old Trafford, Manchester, October 20, 2021. REUTERS/Phil Noble