Despite suffering embarrassing exits from the Champions League and Coupe de France, Paris Saint-Germain could still scupper Manchester United 's attempts to appoint Mauricio Pochettino.
Pochettino is understood to be one of the frontrunners to take over as United's new long-term manager, who the club will name in the summer.
Tensions between the Argentine and PSG have been increasing for some time, with the Red Devils having long been admirers of his work.
