Buoyed by Havertz up front and Calafiori in defense, Arsenal took care of PSG and exploited more shaky goalkeeping from Donnarumma in a comfortable Champions League win at the Emirates.
Bayern Munich striker Harry Kane is set to be available for the Champions League match against Aston Villa on Wednesday after making a quick recovery from a left ankle injury.
Atlético Madrid manager Diego Simeone has stuck by his view that players who provoke fans should be punished after some home supporters threw objects at visiting Real Madrid goalkeeper Thibaut Courtois in Sunday's derby, which was suspended.
Manchester United successfully appealed against the red card shown to Bruno Fernandes during their 3-0 home defeat to Tottenham Hotspur, meaning the midfielder will not serve a three-match ban.
Kylian Mbappé has recovered from injury and is available to play for Real Madrid against Lille in the Champions League, Carlo Ancelotti confirmed, saying "if there's no risk, he'll play from the first minute."
First-half goals by Kai Havertz and Bukayo Saka helped Arsenal seal a 2-0 home victory against Paris St Germain to kickstart their Champions League campaign on Tuesday.
Aston Villa manager Unai Emery has said his club's first home game in the top tier of European football for 41 years will be a "special" occasion as Bayern Munich visit Villa Park on Wednesday.
Sunday's ugly scenes, with Atleti fans throwing objects at Madrid's goalkeeper, were bad enough, but Simeone's actions and words were even more irresponsible.
Hansi Flick confirmed he has already spoken with Wojciech Szczęsny after the former Arsenal and Juventus goalkeeper arrived in Barcelona on Monday to complete his move to the LaLiga leaders.
Cristiano Ronaldo scored the winning goal as Al-Nassr of Saudi Arabia defeated Al-Rayyan of Qatar 2-1 in the AFC Champions League Elite group stage on Monday.
Manchester City forward Phil Foden has struggled so far to scale the heights of last season, but manager Pep Guardiola said his campaign is about to lift off.
Italian police arrested 19 people, accused of criminal ties with the powerful 'Ndrangheta mafia group, in a move that decimated the fan clubs backing Serie A teams Inter Milan and AC Milan.