K.J. Choi alone on top at Ally Challenge

(Photo credit: Jeff Swinger-USA TODAY Sports)
K.J. Choi posted a bogey-free, 6-under-par 66 to earn the first-round lead at the Ally Challenge on Friday in Grand Blanc, Mich.

The South Korea native made four of his six birdies on the back nine at Warwick Hills Golf Country Club, enough to take a one-shot lead over a four-way tie for second.

Brett Quigley, David Branshaw, Stewart Cink and Australia's Rod Pampling are kn