According to reports, Nayef Aguerd's proposed switch to Real Sociedad is off, with the defender now set to stay at Marseille. Despite strong links and advanced talks, the transfer has broken down. It's a setback for Real Sociedad, who had hoped to strengthen their squad in a key position before the deadline. The deal has fallen through, and while Real Sociedad are moving on, clubs such as Manchester United, Sunderland and Marseille remain in the frame. Speculation continues to connect Marseille with Tosin Adarabioyo and Lucas Perri while no fresh rumours surround Real Sociedad. Follow us on Twitter @PlayerSwitchCom and get the latest Real Sociedad transfer news and rumours direct to your feed.