Stefano Pioli has hit out at VAR and the officials after Fiorentina were awarded a late penalty to salvage a draw against Milan.
Real Madrid's Eden Hazard came off with an injury in the loss to Levante, with Zinedine Zidane fearful over the extent of the problem.
Title-chasing Inter Milan's clash against Sampdoria on Sunday was one of three Serie A football matches postponed over coronavirus fears in northern Italy.
Brendan Rodgers has questioned the use of VAR after Leicester City had two penalty appeals turned down against Manchester City.
The Belgian had to be subbed due to problems in his right foot away to Levante just 4 days before the Champions League match against Manchester City and 8 before the 'Clásico'.
Andre Villas-Boas had few excuses for his Marseille team on Saturday after their 14-match unbeaten run in Ligue 1 came to an end with a surprise 3-1 home defeat by off-form Nantes.
A goal 11 minutes from time by Jose Luis Morales gave Levante a 1-0 win over Real Madrid at the Ciutat de Valencia stadium in La Liga. The result leaves Barcelona top of the league.
Marcel Sabitzer said RB Leipzig will be "tough to stop" in the Bundesliga title race after their 5-0 thrashing of Schalke in Gelsenkirchen on Saturday kept them within a point of leaders Bayern Munich.
There could be empty seats at the EFL Cup final between Aston Villa and Manchester City at Wembley. The Skyblues haven't managed to sell their allocation, which will mean that there are some empty seats, according to 'The Telegraph'.
Sergio Aguero's saved penalty at Leicester City marked Manchester City's fourth consecutive failure from the spot in the Premier League.