Coach Mauricio Pochettino is to leave Paris St-Germain following talks with the club at the end of last week.   PSG are still to make a formal announcement but it is understood the former Tottenham manager, 50, will not serve the final year of his contract   Zinedine Zidane, Jose Mourinho and Nice coach Christophe Galtier are among those linked with replacing Pochettino.   PSG regained the French title last term but the Argentine failed to lead them beyond the Champions League's last 16.   PSG hire Campos as football adviser Pochettino and Mbappe '100% staying' at PSG   Although