Flick's side, undefeated in 24 games across all competitions, are not taking Dortmund for granted despite carrying a 4-0 advantage into the return at Signal Iduna Park.
Barcelona extended their advantage in the Spanish top flight with a 1-0 win at Leganes on Saturday, completing a 12-match unbeaten run and moving seven points clear of second-placed Real Madrid.
Rivals Real Madrid and Barcelona, locked in a title battle in La Liga and set to face off in the Copa del Rey final, have "a lot of respect" for each other, says Los Blancos coach Carlo Ancelotti.
Spain's National Sports Council (CSD) on Thursday upheld an appeal filed by Barcelona players Dani Olmo and Pau Victor which will allow them to play for the club until the end of the season, a decision LaLiga said they would appeal.
But Robert Lewandowski came to the rescue at 1-1 as the 36-year-old netted twice to guide Barcelona to the win. The Polish striker also extended his tally at the top of LaLiga's scoring chart to 25 goals.
Leading LaLiga with 63 points, Barca face Girona on Sunday after only two days rest following their 3-0 triumph over Osasuna and over the next 17 days they have six matches in all competitions.
Barcelona coach Hansi Flick said his team will face Benfica in the Champions League on Tuesday playing for club doctor Carles Minarro, who died on Saturday.
Barca have the opportunity to return to the top when they host sixth-placed Rayo Vallecano at the Olympic Stadium on Monday, after both their main rivals dropped points on Saturday.
Los Blancos were beaten 1-0 at relegation-battling Espanyol on Saturday and subsequently sent a furious letter to the Spanish football federation blasting the country's refereeing as "rigged" and "completely discredited".
Flick's side, undefeated in 24 games across all competitions, are not taking Dortmund for granted despite carrying a 4-0 advantage into the return at Signal Iduna Park.
Barcelona extended their advantage in the Spanish top flight with a 1-0 win at Leganes on Saturday, completing a 12-match unbeaten run and moving seven points clear of second-placed Real Madrid.
Rivals Real Madrid and Barcelona, locked in a title battle in La Liga and set to face off in the Copa del Rey final, have "a lot of respect" for each other, says Los Blancos coach Carlo Ancelotti.
Spain's National Sports Council (CSD) on Thursday upheld an appeal filed by Barcelona players Dani Olmo and Pau Victor which will allow them to play for the club until the end of the season, a decision LaLiga said they would appeal.
But Robert Lewandowski came to the rescue at 1-1 as the 36-year-old netted twice to guide Barcelona to the win. The Polish striker also extended his tally at the top of LaLiga's scoring chart to 25 goals.
Leading LaLiga with 63 points, Barca face Girona on Sunday after only two days rest following their 3-0 triumph over Osasuna and over the next 17 days they have six matches in all competitions.
Barcelona coach Hansi Flick said his team will face Benfica in the Champions League on Tuesday playing for club doctor Carles Minarro, who died on Saturday.
Barca have the opportunity to return to the top when they host sixth-placed Rayo Vallecano at the Olympic Stadium on Monday, after both their main rivals dropped points on Saturday.
Los Blancos were beaten 1-0 at relegation-battling Espanyol on Saturday and subsequently sent a furious letter to the Spanish football federation blasting the country's refereeing as "rigged" and "completely discredited".
Barcelona need to maintain their focus till the end of games to ensure they stop dropping points in matches they should have won, coach Hansi Flick said on Saturday, after his team slipped to third in LaLiga due to a four-match winless streak.
