is thinking about challenging win on Thursday, March 27, because of a possible ineligible lineup involving . According to rules, a player who withdraws from international duty due to injury can't play for his club for five days after the last game of the international break. In this case, played their last match on March 23, meaning only rested for four days before returning to action.

Article 5 states that if a player pulls out of the national team due to injury, he can't play for his club for five days unless his national federation gives the green light. Now, the big question is whether the granted that permission to , which would clear of any wrongdoing.

missed out on squad because of a knee issue he picked up in a match against . replaced him with . However, the defender continued his recovery in and was back in training on Monday before starting against .

has put its legal team on the case to see if they have grounds for an official complaint to the . If is found guilty of fielding an ineligible player, they could face a punishment and lose the match by default.

The game, part of Matchday 27, was played at and ended in a win for the . Despite the international break affecting squad availability, decided to start , sparking this whole controversy.

Now, it all depends on how and the RFEF interpret the defender’s situation. While Osasuna considers its next move, Barcelona is confident that the Federation’s approval will keep them out of trouble.