Kai Havertz and Bukayo Saka inspired Arsenal's 2-0 success against Paris Saint-Germain on Tuesday as the Gunners secured their first win in the Champions League this season.

Flick is hopeful midfielder Frenkie de Jong can return as Barca look to bounce back after suffering two losses in 10 days, against Monaco in the Champions League and Osasuna in La Liga.

"It's one of those games when you have to play smart. With the ball, without the ball, you have to be patient, you have to be ready, you have to be focused," Alonso told reporters before Tuesday's game with Milan.

Real Madrid named Kylian Mbappe in their squad to face Lille in the Champions League on Wednesday after he missed one match with a thigh injury.

Barcelona's next away game is at Serbian club Crvena Zvezda in Belgrade on November 6.

Real Madrid forward Kylian Mbappe has suffered a muscle injury, the LaLiga club said on Wednesday, casting doubt over the French international's participation in the weekend derby against Atletico Madrid.

Barcelona coach Hansi Flick backed reserve goalkeeper Inaki Pena to replace stricken team-mate Marc-Andre ter Stegen on Tuesday, but also said the club must discuss if they will sign a replacement.

Real Madrid coach Carlo Ancelotti said Monday his team's "many styles" of play have helped them go 38 La Liga matches without defeat.

Real Madrid manager Carlo Ancelotti on Friday brushed aside criticism of his side's unattractive style, saying winning was more important than playing well.

"It may have looked pretty easy, but it's really not," Alonso told reporters after his team cruised to four first-half goals to break the Dutch resistance.

"It's amazing, to get a last-minute goal like this is always fantastic and it's good to give the fans something to cheer about," Atletico's former Leipzig striker Alexander Sorloth told DAZN.

Spaniard Raya dived low to his right to beat out Mateo Retegui's spot kick in the 51st minute then sprang across his goal to claw away the forward's follow up header.

Hansi Flick's side have started the season with a perfect record after five La Liga matches but struggled to find their best level against the Ligue 1 side.

PSG had over 60 percent possession and 24 attempts on goal but looked set to be left frustrated by their opponents at the Parc des Princes until a low Nuno Mendes cross squirmed under Gazzaniga and into the net in the 90th minute.

Approaching a decade since Barcelona last won the Champions League, the Catalan giants face Monaco in this season's European opener on Thursday aiming to make a statement.

Last year's finalists, who lost to Real Madrid at Wembley in June, got off to a fast start in the new-look league stage.

Henrikh Mkhitaryan blazed over the best chance of the match 15 minutes from time.

Bologna's fans relished the milestone occasion as they returned to Europe's elite club competition for the first time in almost 60 years.

Villa boss Unai Emery had urged his team to take three points in Bern as a tribute to the club's former striker Gary Shaw, who died on Monday aged 63 after being injured in a fall.

"He is able to do things that no-one can think of," Ancelotti said after the 18-year-old Endrick became the youngest Real Madrid player to score in any official international competition.