(CNN)After six weeks and 44 games, the Rugby World Cup boils down to 80 minutes between England and South Africa. A new champion will be crowned in Yokohama on Saturday after England robbed the All Blacks of the chance to win a third consecutive title, the best performance seen in the World Cup so far. South Africa, too, has been formidable throughout this tournament. Physically dominant and tactically savvy in the knockout stages, the Springboks’ opening defeat to New Zealand now seems a lifetime ago. Armed with a muscular, bulldozing set of forwards, Rassie Erasmus’ side, which only last year was ranked an all-time low of seventh in the world, has forged a style of play that, if not pretty, is ruthlessly effective. “If one understands where we’ve come from — being number six, seven or eight in the world — we’ve got certain challenges, and one of them was always to redeem ourselves and become a power again in world rugby,” Erasmus told reporters after his side ground out a 19-16 semifinal victory against Wales. Read More “I guess you can expect very much the same from us on Saturday.” Duane Vermeulen packs down for a scrum against Wales…