Gary Lineker introduces live coverage of a mouth-watering World Cup final between Lionel Messi's Argentina and defending champions France. Argentina were stunned by Saudi Arabia in their opening group game, but led by the brilliance of Messi they have reached a World Cup final for a sixth time. France came to Qatar beset by injury issues, but star players Kylian Mbappe and Antoine Griezmann have been instrumental in helping them reach the final