The quarterfinals of European soccer's most coveted trophy begin on Wednesday when Atalanta takes on Paris Saint-Germain.
Four round-of-16 ties are still to be decided when European soccer's premier club competition returns on Friday.
Barcelona looks to remain top of the table when it travels to Madrid, while Atletico will be looking for its first league win against the Catalans in nine years.
Both Barcelona and Dortmund can qualify for the round of 16 of the Champions League with a win on Wednesday.
The Blaugrana could momentarily open a three-point lead over Real Madrid when they take on Leganes on the road in the early kick-off on Saturday.
The Catalans are on a two-game winless streak in all competitions and their coach is under severe pressure.
Barcelona hopes to make it three wins in four games in Group F when it hosts Slavia Prague on Tuesday afternoon.
The Blaugrana look for a sixth consecutive win in La Liga when they travel to Valencia on Saturday afternoon.
After an unexpected weekend off because of El Clasico's postponement, Barcelona can go back to the top of La Liga when it plays Valladolid on Tuesday.
The five-time European Cup winners look to extend their lead at the top of Group F when they take on Slavia Prague.
Barcelona looks to make it four wins in a row when it takes on Eibar on Saturday but the focus will likely be on pro-Catalonia protests.
Barcelona is scheduled to host Real Madrid on October 26 but La Liga is reportedly worried about clashes following the arrest of nine Catalan leaders.
Protests have reached the second day after Catalan politicians and activists received between nine and 13 years for sedition and misuse of public funds related to the 2017 independence referendum.
Barcelona looks to extend its winning run to three games, while Sevilla searches for a first win at the Camp Nou since 2002.
Barcelona hosts Inter Milan on Wednesday with both teams looking for a first win in the Champions League this season.
Lionel Messi could make his first start this season when Barcelona travels to Granada on Saturday looking for a second consecutive win.
Lionel Messi could make his first appearance of the season when Barcelona travels to Germany to face Dortmund on Tuesday.
Manchester City is the favorite to win the tournament for the first time, with Liverpool and Barcelona close seconds.
Liverpool looks to become only the second team to defend its Champions League title when the tournament kicks off on Tuesday.
European soccer's premier club competition kicks off on Tuesday as Liverpool looks to defend its title.
Barcelona looks to shake off a difficult start to the season when it takes on Valencia this Saturday afternoon.
The defending La Liga champions look for a second consecutive win against Osasuna in Pamplona on Saturday.
The defending La Liga champions look to get their campaign back on track after losing to Athletic Bilbao in the first game of the season.
After a summer of lavish spending, Barcelona begins its quest for a third consecutive La Liga title on Friday.
Defending champions Barcelona get the ball rolling on Friday when they take on Athletic Bilbao.
Barcelona kicks off a two-game road trip to Japan with a game against Chelsea as Antoine Griezmann could make his debut for the Catalans.
Brazilian has made clear he wants to leave Paris-Saint Germain and return to Barcelona, the team he left two years ago.
Spain's national police said the suspect had attracted their attention "due to his notable nervousness and the disproportionate size of the toupee he wore." He was detained in Barcelona last month.