Barcelona midfielder Rodri has been ruled out of Sunday's LaLiga clash with Atletico Madrid because of a hamstring injury.
Rodri was substituted at halftime of Barcelona's 3-0 Champions League win over Aston Villa on Tuesday.
"Tests have confirmed a minor injury to his right hamstring," said Barcelona in a statement on Wednesday.
"He will miss next Sunday's match against Atletico Madrid. His exact recovery time will depend on how the injury develops."
LaLiga leaders Barcelona visit second-placed Atletico, the 30-year-old midfielder's former side, looking to retain top spot.
Spanish media have reported Rodri could miss up to a month, which would rule him out of Spain's Nations League matches against the Czech Republic and England.
World Cup winners Spain have already reached the Nations League quarterfinals.