EAST RUTHERFORD, New Jersey :Paris St. Germain manager Luis Enrique emphasised on Friday that the key to his side's resurgence is a collective team ethic rather than reliance on individual brilliance, as the French and European champions prepare to face Chelsea in Sunday’s Club World Cup final. The Parisians, buoyed by their historic Champions League triumph a little over a month ago, are chasing their first Club World Cup title. Luis Enrique has overseen a significant transformation at PSG,