The allegation levelled at the two-time major champion was that he had improved his stance as he attempted to escape from deep rough on the fifth.

Jackson Suber was the unlikely name at the top of the Royal Birkdale leaderboard but the limelight belonged to DeChambeau.

The decision casts doubt over the long-term future of the breakaway league.

The breakaway competition’s future has been in doubt as the Saudi Public Investment Fund reconsiders its commercial strategy.

The Northern Irishman is seeking to become only the fourth man to retain the green jacket.

The Northern Irishman is seeking to become only the fourth man to retain the green jacket.

The Northern Irishman was level par through seven holes, only two shots off the lead.

Reed was three under through two holes after a birdie-eagle start.

It was a day of high drama and tension, with players arguing and the action being paused at times due to the boorish behaviour of the home crowd.

The American said recently he would be “chirping” in McIlroy’s ear if they were paired at the Ryder Cup.

The US will attempt to win back the trophy in New York from September 26th-28th.

The Northern Irishman was 10 shots behind clubhouse leader Justin Thomas.

The Co Down man begins the defence of his Genesis Scottish Open title on Thursday.