U.S. Open is officially underway with four rounds of pristine, difficult golf rolling one of the United States' most notable courses. A massive field featuring 156 golfers kicked off the tournament Thursday all hoping to complete 72 holes at Oakmont Country Club,

Rory McIlroy has weighed in with his thoughts on how the final round of U.S. Open will play out at Oakmont, with Sam Burns, Adam Scott, J.J. Spaun, Viktor Hovland and Carlos Ortiz chasing glory

Rory McIlroy speaks to BBC Sport NI's Stephen Watson after his final round 67 at the US Open. Watch: McIlroy 'looking forward' to Portrush homecoming Video, 00:03:33Watch: McIlroy 'looking forward' to Portrush homecoming Up Next.

Rory McIlroy ended his media blackout today but it was clear that he has major misgivings about the media after another poor US Open round.

Bryson DeChambeau and Rory McIlroy compete for major glory once again a year after the American broke the heart of his rival to win the US Open on the final hole; watch all the action from the US Open at Oakmont,

Rory McIlroy leads the field in the Canadian Open ahead of the next major at the U.S. Open. McIlroy is a two-time winner of the Canadian Open.