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:

Corey Conners  +1

Mackenzie Hughes  +2

Ben Silverman  +2

Nick Taylor  +3

Roger Sloan  +6