Narin An grabs lead at CME Group Tour Championship

(Photo credit: Albert Cesare/The Enquirer / USA TODAY NETWORK)
Narin An of South Korea shot a flawless 8-under-par 64 to set the pace at the CME Group Tour Championship on Thursday in Naples, Fla.

A $4 million first prize is on the line at the LPGA's season finale at Tiburon Golf Club, where 60 players qualified based on the season-long Race to the CME Globe.

An has never won on the LPGA Tour, but she finished 29th in t