Here are 5 talking points from Barcelona's 1-2 victory against Borussia Monchengladbach.
Messi, Suarez, Neymar all start for Barcelona as they host Simeone's Atletico Madrid led by Antoine Griezmann in the attack.
Normal business resumed in the La Liga as Barcelona ran riot at the Estadio Municipal de Butarque, putting 5 past the newly promoted Leganes side to go to the top of La Liga.
Barcelona registered an easy 7-0 win over Celtic thanks to the terrific trio of Messi, Suarez and Neymar.
Barcelona handed Celtic and Brendan Rodgers a rude awakening as they battered their opponents in a 7-0 win at Nou Camp.
Barcelona suffered a shock defeat at the hands of newly promoted side Deportivo Alaves at the Nou Camp on Saturday.
Barcelona are reportedly preparing a €30m bid in a final attempt to sign Spanish forward Paco Alcacer from Valencia.
New signings Samuel Umtiti and Denis Suarez handed their first league start as Barcelona take on Real Betis at Nou Camp for the season opener.
Barcelona will have to cope without the availability of attacking star Neymar in their season opener as the Brazilian aims for Olympic gold at Rio.
Barcelona look to avoid an upset in the season opener as the Blaugranes' are riddled with injuries to first-team players ahead of the match against Real Betis.