Marc-Andre ter Stegen's fine goalkeeping helped Barcelona beat Real Sociedad in the Supercopa de Espana semi-finals.
Barcelona attempted 20 shots at goal in their 1-0 victory over Huesca, and boss Ronald Koeman has called for reinforcements in attack.
Barcelona are six games unbeaten in LaLiga after winning 1-0 at Huesca, but Marc-Andre ter Stegen called for performances to improve.
Frenkie de Jong scored the only goal as Barcelona beat LaLiga strugglers Huesca 1-0 at El Alcoraz.
Manchester United midfielder Paul Pogba may be leaving the club in January, according to a report.
Barcelona host Osasuna on Sunday, with Lionel Messi and Sergio Busquets back in the squad.
Lionel Messi is not part of Barcelona's squad for Tuesday's trip to Dynamo Kiev, with Ronald Koeman explaining the forward needs a break.
Barcelona forward Lionel Messi is without a goal from open play in 2020-21 but Frenkie de Jong insists he is still the world's best player.
Barcelona have not faced Real Madrid in a 4-2-3-1 in at least any of the previous 46 meetings. Will Ronald Koeman's system work?
Gerard Pique is one of four Barcelona players to sign a contract extension that includes "temporary salary adjustments".