Jimy Hettes was considered a top featherweight prospect when he made his UFC debut in August 2011. Less than five years and a mere six fights later, however, Hettes said he could be done fighting for good. Hettes’ (11-3 MMA, 3-3 UFC) career took another harsh blow this week when he was forced to withdraw from a scheduled UFC Fight Night 81 bout with Charles Rosa (10-2 MMA, 1-2 UFC) just one week prior to the event. Hettes said he suffered a knee injury in training that could ultimately cause the end of his career