Real Madrid beat city rivals Atletico but racist chanting directed at Vinicius Jr outside the Metropolitano marred the derby.
Mathys Tel became Bayern Munich's youngest goalscorer but Stuttgart earned a late 2-2 draw in the Bundesliga on Saturday.
Liverpool's Champions League campaign got off to a nightmare start in hot and humid Naples on Wednesday as sensational Napoli ran out comprehensive 4-1 winners.
Raphinha scored his first Barcelona goal as the Catalans beat Sevilla. Also: Real Madrid and AC Milan won but Bayern Munich had to settle for a draw.
Manchester United are interested in signing Brighton defensive midfielder Moises Caicedo - but a deal for Juventus' Adrien Rabiot is now increasingly unlikely.