Rory McIlroy Makes Major Revelation Before US Open originally appeared on Athlon Sports. Rory McIlroy has been struggling in recent tournaments. Before arriving at Oakmont, he competed in the RBC Canadian Open, where he carded rounds of 71 and 78 to miss the cut. It was one of his worst 36-hole performances in recent years.

Rory McIlroy hasn't won the U.S. Open since 2011, but he has still been one of the most consistent performers at golf's toughest test in recent years.

McIlroy's edge has been tough to rediscover, buried somewhere beneath the satisfaction of finally conquering Augusta National to become only the sixth player to win all four majors in his career.