Australia given boost by new coach Michael Cheika for Barbarians match | Robert Kitson

The Wallabies third coach in 15 months has been backed to make an instant impact by former pupil Brian ODriscollCall it the Darren Lehmann effect. As with the storm-tossed Wallabies, no one thought much of the Australia cricket team when Lehmann was lobbed the head coachs job in place of Mickey Arthur two weeks before the 2013 Ashes in England. Within a few months the new man was presiding over a thumping 5-0 home series victory over England. If Michael Cheika, hastily promoted to Australian rugbys top role, wants to remind his players how swiftly sporting fortunes can change he need look no f…