Ernie Els trails by 8 after 66
CHIANGMAI, Thailand -- Thailand's Prayad Marksaeng shot a 6-under 66 on Saturday to take a five-stroke lead after the third round of the Asian Tour's Chiangmai Classic.
Prayad had an 18-under 198 total at Alpine Golf Resort.
Four-time major champion Ernie Els was eight strokes back after a 66.
Copyright 2013 by The Associated Press
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