Lexi Thompson tips her cap after making a birdie on the 17th green during the first round of the Navistar LPGA Classic golf tournament, Thursday, Sept. 20, 2012, at the Robert Trent Jones Golf Trail in Prattville, Ala.

Lexi Thompson tips her cap after making a birdie on the 17th green during the first round of the Navistar LPGA Classic golf tournament, Thursday, Sept. 20, 2012, at the Robert Trent Jones Golf Trail in Prattville, Ala.