Born: February 4, 1986 in Liaoning (Tian); April 17, 1981 in Sichuan (Li) Entry: Double sculls Credentials: Gold at 2007 world championships Why they'll win: Because they're the pick of rowing's new medal machine. China's sports authorities realised they'd need to expand beyond the traditional base of table tennis and badminton to end US Olympic domination, and rowing was identified as a sport where they could compete for medals. The breakthrough has come late, but spectacularly. Tian and Li won every international race they contested in 2007, and have helped China to a record eight golds at three World Cup events this year. What makes this more remarkable is that in 2006 Tian suffered a crippling knee injury that almost ended her career. 'Li cared for me, particularly during the injury lay-off, and is like my sister,' says Tian. 'We have won the worlds and we hope to complete a sweep of majors at the Olympics. We understand what it would mean for ourselves and for a sport that has no roots in China. That's a responsibility for us.' Who can stop them: Georgina and Caroline Evers-Swindell (New Zealand) Final: Saturday 16th.