Sheffield United is contemplating a potential acquisition of the Spanish central defender Adrián Lapena from CSKA Sofia in an effort to bolster their defensive line. The team has been struggling defensively, which is considered the primary factor for their poor start to the season. The manager, Rubén Sellés, is facing pressure to enhance the team's performance following the disappointing beginning. Sheffield United is keeping a close watch on Adrián Lapena's situation at CSKA Sofia after their catastrophic start to the new season. Their recent defeat to Swansea City marked their third consecutive loss since the official matches resumed after last year's playoff final defeat.