Atletico beat Real in Madrid league fixture for first time since 1999 . Diego Costa 's first half strike maintains Atletico 's 100 % start to league season . Score: The reigning champions also made it seven wins out of seven in La Liga on Saturday with a 2-0 triumph over lowly Almeria but the victory was overshadowed by an injury to Lionel Messi . 6 Napoli beat Genoa 2-0 in Serie A ; Paris Saint-Germain beat Toulouse 2-0 in Ligue 1 .
Atletico beat Real in Madrid league fixture for first time since 1999 . Diego Costa 's first half strike maintains Atletico 's 100 % start to league season . Score: 6 Napoli beat Genoa 2-0 in Serie A ; Paris Saint-Germain beat Toulouse 2-0 in Ligue 1 .