New Paris Saint-Germain head coach Thomas Tuchel insisted that Neymar is the "key player" for his side, as his team prepare for the start of their Ligue 1 title defence against Caen tomorrow.

The stunning performances of Kylian Mbappe at the World Cup and consistent speculation linking Neymar with a move away from the club have left the Brazilian's status as PSG's star man somewhat in danger. "It's totally clear that he's my best player," said Tuchel, who took over at the Parc des Princes from Unai Emery in May.