8. Kevin Na, 24, South Korea
The Stats: Na's family immigrated to the U.S. when he was 8, and he took up golf a year later. After vaulting to the top of the national junior rankings, Na dropped out of high school after his junior year to turn pro. He started his career on the Asian tour in 2002, winning once and finishing fourth in earnings. He earned a Tour card at the 2003 Q-school and had a respectable rookie season, finishing 87th in earnings in '04. In 2006, Na broke his right hand in a car door and missed most of the season, but this season he climbed to 114th on the money list.
The Skinny: With his health back and one of the Tour's best short games (2nd in scrambling, 1st in putts per round), Na should mature into a regular contender.

Credit: Gail Burton/AP