Iowan Zach Johnson fires 63, shares lead in Des Moines
Zach Johnson fired a 9-under-par 63 and joined Brett Quigley and first round co-leader Scott Hend of Australia at the top of the leaderboard after twoZach Johnson fired a 9-under-par 63 and joined Brett Quigley and first round co-leader Scott Hend of Australia at the top of the leaderboard after two