RUCK.co.uk present each Rugby World Cup team’s heaviest player in Japan.
• Argentina: Tomás Lavanini, 130kg
• Australia: Taniela Tupou, 135kg
• Canada: Matt Tierney, 134kg
• England: Billy Vunipola, 130kg

• Fiji: Lee Roy Atalifo, 130kg
• France: Sébastien Vahaamahina, 126kg
• Georgia: Konstantin Mikautadze, 130kg
• Ireland: Tadhg Furlong, 126kg
• Italy: Marco Riccioni, 126kg
• Japan: Koo Ji-won, 122kg