A late goal by Toni Kroos sealed victory as Real Madrid defeated an impressive Celta Vigo side 2-1 to win their first home La Liga game of the campaign on Saturday.
Sergio Ramos made amends for his untimely own goal last week at Sevilla by scoring twice as Real Madrid bounced back from two successive defeats by beating Malaga 2-1 on Saturday to go four points clear at the top of La Liga.
Barcelona extended their near-perfect start to the season when Alexis Sanchez tapped in at the far post from Neymar's clever assist to secure a 1-0 win at home to city rivals Espanyol in La Liga on Friday.
Alexis Sanchez hit a hat-trick as Barcelona swept aside Elche 4-0 to return to the top of La Liga on goal difference ahead of Atletico Madrid on Sunday.
News of all that's transpired on and off the football field on Friday
Real Madrid fans could be forgiven for wondering whether a new president is needed rather than yet another new coach after Carlo Ancelotti was sacked.
Real Madrid can bury Atletico's hopes of winning La Liga with a third straight victory against their city neighbours on Sunday that would leave the capital's second club trailing by six points.
Cristiano Ronaldo, Gareth Bale and Karim Benzema took Real Betis apart to give Real Madrid a resounding 5-0 win on Saturday that put them level on 50 points with Barcelona and Atletico Madrid at the top of La Liga.
Diego Costa scored twice as Atletico Madrid beat Valencia 3-0 to maintain their winning home run this season and keep pace with Barcelona at the top of the La Liga table.
Manchester City's Sergio Aguero scored a hat-trick as coach Pep Guardiola maintained his 100 per cent record at the club with a commanding 4-0 victory against Borussia Moenchengladbach in their rearranged Champions League Group C opener on Wednesday.