Adam Hadwin can be excused for the opening round of the U.S. Open

the so-called toughest test in golf

giving him a chance to exhale.

He home in Canada last week for his own national open

he has been immune from the endless chatter and speculation

a 4-under 66 for his best score in 63 rounds at major championships

a 1-shot lead over Rory McIlroy and four others at 67

 David Lingmerth of Sweden

 MJ Daffue of South Africa and Joel Dahmen.

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