Barcelona's resurgence owes much to a recent up-tick in training intensity, according to star forward Robert Lewandowski.
Barcelona eased to a 3-0 win at Atletico Madrid to move within eight points of Real Madrid at the top of La Liga.
Real Madrid have filed a complaint with the Spanish legal authorities after "racist and hateful insults" appeared to be directed at their striker Vinicius Junior by Atletico Madrid and Barcelona fans this week.
Real Madrid's 4-0 win over Celta Vigo not only solidified their seven-point lead at the top of La Liga but also showcased the talent of Turkish youngster Arda Guler.
Real Madrid opened up a seven-point gap at the top of La Liga after beating Celta Vigo 4-0 at the Bernabeu Stadium.
Jude Bellingham has been suspended for Real Madrid's next two league matches after his red card against Valencia at the weekend.