Wallabies coach Michael Cheika has named Australia's biggest ever midfield pairing for Saturday’s opening Test against England in Brisbane. Debutant Samu Kerevi will start at inside centre for the Wallabies alongside Tevita Kurindrani, with Christian Lealiifano named on the bench. Lealiifano only arrived in camp on Wednesday evening following the birth of his first child in Canberra. Despite his absence, Cheika said training hadn't been disrupted in the lead up to the test and said he wasn't worried about handing the sole playmaking duties to flyhalf Bernard Foley. “We knew we would have to prepare for both scenarios with Lealiifano.” “I suppose traditionally we have shaped up that way with the two traditional playmakers but I’ve really been impressed by Kerevi.” Kerevi has played most of his rugby at outside centre for the Reds, but did enough during the two week Wallabies camp to earn the No.12 jersey. “He roamed around both teams last week but started to firm