PSG’s Unai Emery admits to big ‘responsibility’ as side prepare for Celtic

• PSG manager knows he must repay heavy spending in Champions League
• Captain Thiago Silva believes PSG have good chance of lifting trophyWith heavy spending comes heavy expectation. Unai Emery, Paris Saint-Germain’s manager, has admitted on the eve of the Champions League getting under way that he feels a “responsibility” to deliver success after a summer transfer splurge.Neymar and Kylian Mbappé have joined Dani Alves in Paris, with finance as delivered from