If Australia does go on to win the World Cup, Michael Cheika will receive a great amount of credit for turning around Australia’s fortunes in such a short space of time. With the help of assistants Stephen Larkham and Nathan Grey, Cheika has brought the Australian team together and created an identity that an entire nation can be proud of. Regardless of what happens over the next fortnight, it’s been a tremendous effort. But he hasn’t done this all on his own. In fact, arguably the most important piece of Australia’s World Cup puzzle has been an Argentinian bloke named Mario. The scrum guru was recruited to rescue the Wallabies set piece and prepare them for the ‘pool of death’. Looking back, it could be the best thing Michael Cheika has ever done. But who is Mario Ledesma and what does he have that his predecessors didn’t? Born in Buenos Aires in 1973, Ledesma made his international debut in 1996 against Uruguay and within two years had captained his country. In 2