'You always have to be a good sportsman' – Kylian Mbappe not impressed by 'futile' Martinez taunts December 29, 2022 Posted by World Cup Leave a comment Kylian Mbappe says he won’t ‘waste energy on such futile things’ in response to Argentina goalkeeper Emiliano Martinez’s World Cup celebrations. Source: Sport Soccer-.Independent Author: Share this post: Share on Facebook Tweet this! Share on LinkedIn Share on Google+ Share on Pinterest