WASHINGTON, Feb. 20 (Xinhua) -- Following are the leading first-round scores on Thursday in the US PGA Tour Puerto Rico Open in Rio Grande, Puerto Rico (United States unless noted, par-72):
64 - Kyle Stanley
66 - Peter Uihlein, Josh Teater, Emiliano Grillo (Argentina), Chris Couch, Henrik Norlander (Sweden), Rhein Gibson (Australia)
67 - Martin Laird (Scotland), Jay McLuen, Scott Brown, MJ Daffue (South Africa), Wes Roach, Julian Etulain (Argentina)
68 - Robby Shelton, Ted Potter, Kiradech Aphibarnrat (Thailand), Viktor Hovland (Denmark), Jhonattan Vegas (Venezuela), Mark Anderson
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