Barcelona’s poor start to the season continues as Atletico Madrid beat them 2-0 in the La Liga fixture at Wanda Metropolitano on Saturday.
Atletico Madrid are fourth in the La Liga table with 13 points from seven games whereas Barcelona are seventh with 12 points from six games.
Antoine Griezmann has been struggling for form on his second spell at Atletico Madrid.
Reigning La Liga champions Atletico Madrid suffered a shock 1-0 defeat against Deportivo Alaves at Mendizorroza on Saturday.
Luiz Suarez scored a late double as Atletico Madrid came from behind to beat Getafe 2-1 on Tuesday.
Griezmann has returned to Wanda Metropolitano on a season long loan deal with an obligation to make the move permanent for around 40 million euros in the future.
Saul has up until now spent his entire club career in Madrid in his native Spain, having begun his youth career at Real Madrid before switching to Atletico.
Hundreds of fans celebrated in central Madrid after Atletico Madrid's La Liga triumph.
Atletico overcome a goal deficit to beat Real Valladolid 2-1 in the final league game as Real Madrid's come-from-behind victory against Villarreal goes in vain.
Atletico Madrid will be looking to continue their rich vein of form in La Liga.