According to Javi Miguel, Barcelona correspondent for AS, Pedri has suffered a hamstring injury and will be out for three weeks.
Pedri, who started in last weekend's El Clásico against Real Madrid, received a red card late in the game.
According to previous reports from Cadena SER, Pedri was injured in the El Clásico and was expected to be out for 4-5 weeks.
Latest news from journalist Javi Miguel indicates that Pedri suffered a hamstring injury and will be out for three weeks, not returning until after the international break in November.