Wallabies team for Argentina features their tallest second row combo ever

Michael Cheika has made two changes to his starting Wallabies side to face Argentina at Twickenham Stadium in London. The match is the first of it's kind, with the Rugby Championship taking to the northern hemisphere for the first time for this once off. Melbourne Rebels backrower Lopeti Timani comes in at number 8 with club teammate Sean McMahon out with an ankle injury. It will be Timani's first start in the gold jersey after making his debut off the bench in Australia's 36-20 win over Argentina in Perth last month. In the other change to the starting fifteen, Brumbies lock Rory Arnold retu…