Edwards edged out of Sprint Cup victory at Darlington

Saturday, May 7, 2011 | 11:14 p.m. CDT; updated 11:35 p.m. CDT, Saturday, May 7, 2011

DARLINGTON, S.C. — Regan Smith moved in front on a caution nine laps from the end and survived a green-white-checkered finish to win the Southern 500 for his first Sprint Cup victory Saturday night.