The Argentina and Brazil stars are set to return to training action after their prolonged holidays and could feature in the Catalans’ season opener
Messi was unable to break his trophy duck on the international stage as Argentina lost the Copa final to hosts Chile, for whom Barca goalkeeper Claudio Bravo was the successful captain, while Brazil were eliminated at the quarter-final stage by Paraguay.
Barca’s Copa America contingent will return to training over the coming days, with Brazil duo Neymar and Dani Alves available for Sunday’s friendly against Fiorentina.
Messi, compatriot Javier Mascherano and Bravo are due to return to training on Monday and will be given the chance to get their eye in against Roma next Wednesday.
Barca will hope the limited preparations will have their South American stars in shape for the European Super Cup clash with Sevilla and Supercopa de Espana versus Athletic Bilbao, before their Liga campaign begins against the Basque side.