Arsenal boss Mikel Arteta has praised Paris St Germain for "protecting him like a son" ahead of facing the club that gave him his professional debut.
Pep Guardiola shrugged off an Antoni Gaudi comparison as he arrived in Slovakia for Man City's latest Champions League match.
Former Manchester United and Real Madrid defender Raphael Varane has announced his retirement from football.
Barcelona began their Champions League campaign with a 2-1 loss to Monaco, playing with 10 men after an early red card for Eric Garcia.
Kevin De Bruyne is in doubt for Manchester City's match against Arsenal after picking up an injury in their Champions League draw against Inter Milan.
Liverpool head coach Arne Slot has said that his team's 3-1 victory against AC Milan in their Champions League opener was more significant than celebrating his birthday.