Atlético Madrid has officially filed a complaint with the Spanish Football Federation against Barcelona. The complaint alleges that Barcelona made an illegal approach to Atlético player, Álvaro Álvarez, attempting to sign him outside of proper transfer protocols. The Madrid-based club believes Barcelona circumvented regulations in their pursuit of the player. Details of the alleged illegal approach have not been publicly disclosed, but Atlético is seeking action from the Federation. This marks a growing tension between the two Spanish football giants. The Federation's committee will now review the complaint and determine whether a violation occurred and if any sanctions will be imposed on Barcelona. This case highlights the increasing scrutiny of transfer dealings within Spanish football.