Mauricio Pinilla's penalty goal in the 88th minute lifted Atalanta to a 2-1 victory over Inter Milan.
Jose Mourinho said the game against Chelsea could have been different if his side didn't commit an early defensive mistake.
Antonio Conte stresesd that beating Manchester United was important for Chelsea's ambition going forward.
Querétaro took the lead but couldn't hold it as they drew 1-1 with América on Saturday night. León Lecanda and Katya Castorena reporting for One Nación.
Chelsea spoiled Jose Mourinho's return to Stamford Bridge with a dominant 4-0 win over Manchester United.
A late equaliser from Dirk Kuyt rescued a 1-1 draw for Feyenoord against Ajax to maintain their unbeaten season.