Tennis legend Rafael Nadal is backing Kylian Mbappe to prove that he can be “the best in the world”, with the French forward already showing that Real Madrid made no “mistake” in making him another ‘Galactico’. The World Cup winner moved to Santiago Bernabeu in the summer of 2024 but has been unable to break his Champions League trophy duck and been overlooked in another battle for Ballon d’Or recognition.