Belgium are embracing their underdog status ahead of today's quarterfinal against Spain, with coach Rudi Garcia confident they have the attacking quality and belief to upset the European champions.Spain entered the tournament as one of the favourites and after a slow start found their swagger with a 3-0 win over Austria in the round of 32.While Spain coach Luis de la Fuente struck a philosophical tone in his own pre-match media conference, quoting Roman Emperor Marcus Aurelius, Garcia leaned instead on analytics and squad management.“We know we are playing one of the favorites. Spain are probably the best at ball possession and they have been playing in a recognizable way for 15 or 20 years,” he said.