 He took 1/12 on debut and 2/20 in the next match against Barbados, but was not retained in the team for the finals.Sinclair made his first-class debut in May 2008, playing for a Jamaica Select XI against the touring Australians.He took 3/14 from 6.3 overs in Australia's first innings, dismissing Brad Haddin, Mitchell Johnson, and Stuart MacGill.