Australia's George Smith is knocked out in this tackle British and Irish Lions right flanker Sean O'Brien at Stadium Australia. Sydney, Australia. Saturday 6th July 2013. Photo: (Steve Christo) (Photo by Steve Christo/Corbis via Getty Images)
Australia's George Smith is knocked out in this tackle British and Irish Lions right flanker Sean O'Brien at Stadium Australia. Sydney, Australia. Saturday 6th July 2013. Photo: (Steve Christo) (Photo by Steve Christo/Corbis via Getty Images)