From Barcelona 'bad boy' to treble-winning maestro... Ousmane Dembele is now the Ballon d’Or favorite. What sparked his PSG transformation? This week on Sideline Story: We dissect Dembele's rise and debate the new era: Are superstar privileges over? What truly defines the world's best player after Messi and Ronaldo? Leadership, sacrifice... find out where the game is headed.