Chelsea, meanwhile, were beaten by Juventus in Italy.
Cristiano Ronaldo came to Manchester United's rescue again last night.
His deflected goal in the fifth minute of injury time handed the Premier League side a 2-1 Champions League win at home to Villarreal.
Atalanta top Group F this morning, courtesy of their 1-0 win at home to Young Boys.
A Federico Chiesa goal just after half-time was enough to give Juventus a 1-0 win at home to Chelsea.
Elsewhere in that group, Zenit hammered ten-man Malmo 4-0 in St. Petersburg.