The Champions League returned on Tuesday night as Liverpool lost 2-0 to Red Star Belgrade and Tottenham beat PSV Eindhoven 2-1.
Napoli and Paris Saint-Germain played out a 1-1 draw as Inter Milan also held Barcelona.
There was plenty that went on behind the scenes, so here, Sportsmail has compiled seven things you might have missed.
Harry Kane scored a late winner for Tottenham against PSV Eindhoven on Tuesday evening
Red Star Belgrade do not warm-up in the stadium
The hosts warmed-up on a training pitch next to the Rajko Mitic Stadium which left one half of the pitch unused ahead of kick-off.
Liverpool manager Jurgen Klopp was therefore unable to cast an eye over the opposition’s preparations, as is his usual routine.
Liverpool and Monaco set unwanted records
Liverpool conceded two goals in seven minutes in the first half in Serbia.
It was the first time they had let in more than one goal in the first period of a Champions League match for four years.
Monaco, meanwhile, became the first French side to let in three goals in the opening 25 minutes of a home match in the Champions League as they lost 4-0 to Club Bruges.
Borussia Dortmund finally concede
Borussia Dortmund have been flying this season and sit at the top of the Bundesliga.
Lucien Favre’s side finally conceded their first goal in the Champions League this season on matchday four as Saul and Antoine Griezmann scored in a 2-0 win for Atletico Madrid.
Borussia Dortmund conceded their first goal in Europe this season at Atletico Madrid
Klopp shows his respect
Klopp wore a Serbian Phoenix flower on his coat during Liverpool’s defeat by Red Star Belgrade.
It is an Armistice Day symbol for those Serbians who lost their lives during the First World War.
Klopp wore a Serbian Phoenix flower on his coat during Liverpool’s defeat on Tuesday evening
There’s no stopping Milan Pavkov
Liverpool found it hard to stop Red Star Belgrade forward Milan Pavkov as he scored both goals.
And nothing was going to stop him from enjoying the victory with the club’s fans.
He was pictured climbing under a rope in the home end in order to celebrate with supporters.
Red Star Belgrade’s Milan Pavkov joins the club’s supporters to celebrate with them after win
He was pictured climbing under a rope in the home end in order to celebrate with supporters
Wembley pitch under the spotlight
All eyes were on the state of the pitch at the national stadium on Tuesday night.
NFL markings were clearly visible when Manchester City visited Wembley last week and the turf was badly churned in places.
The playing surface was in a better condition for PSV Eindhoven’s visit but that didn’t stop PSV boss Mark van Bommel branding the pitch ‘s***’.
All eyes were on the state of the pitch at the national stadium on Tuesday night after last week
Suarez’s wait for a goal on the road continues as Messi watches on
Luis Suarez has not found the net in an away Champions League match since September 2015.
The forward kept knocking on the door but was unable to find that all important goal at the San Siro.
Meanwhile Lionel Messi watched on from the stands as Barcelona were held by Inter Milan.
Luis Suarez has not found net in European competition away from home since September 2015
Lionel Messi watched on from the stands as Barcelona were held by Inter Milan at the San Siro