34-year-old Adam Hadwin leads the US Open golf tournament after first-round action Thursday. He shot a -4, ending up with a score of 66 in his seventh US Open. He has a one-shot lead over Rory McIlroy, Joel Dahmen, MJ Daffue, Callum Tarren and David Lingmerth.
Other Canadians in the tournament finished round one with the following scores:
Nick Taylor +3
Roger Sloan +6
