McIlroy was forthright in his view of Dechambeau’s two-stroke penalty during the second round of the Open at Royal Birkdale

In astonishing scenes at Royal Birkdale on Friday, the American could be seen shouting animatedly at officials as they argued over whether he improved his lie on the fifth hole.

Bryson DeChambeau sparked controversy at The Open after a lengthy rules dispute with officials over a two-stroke penalty on the fifth hole.

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.

DeChambeau argued with rules officials for quite some time after his round.

The American was punished for improving the line of his swing during the second round, a sanction which moved DeChambeau out of second place

The American was punished for improving the line of his swing and was doubtful to continue before clearing matters up on social media

American golf star Bryson DeChambeau has exploded in anger after his second round at the British Open after being penalised by officials for “improving the area” of an intended…

Bryson DeChambeau received a two-stroke penalty at The Open after officials ruled he inadvertently improved his lie, giving himself a potential advantage.

The American was penalised for improving the area for his backswing on the fifth at Royal Birkdale.

Bryson DeChambeau received a two-stroke penalty for stepping on long grass during the second round of the Open Championship.

Bryson DeChambeau's two-stroke penalty at The Open Championship for improving the conditions affecting his stroke shocked Royal Birkdale.

The American was furious with officials after being handed a two-shot penalty

The American was penalised for improving the area for his backswing on the fifth hole at Royal Birkdale

SOUTHPORT, England, July 18 : Bryson DeChambeau's two-stroke penalty imposed after his second round at the British Open on Friday was a "clear-cut decision", according to R&A…

Rory McIlroy has saved one of his best shots at the British Open for Bryson DeChambeau. The world No. 2 didn’t hold back when asked for his thoughts on DeChambeau’s conduct late…

The American was looking to make up lost ground on Saturday.

Rory McIlroy has accused Bryson DeChambeau of ‘holding the tournament hostage’ after the incredible scenes which marked the end of the American’s second round at the Open

Rory McIlroy said Bryson DeChambeau tried to hold the British Open "hostage" and was begging for attention after the American reacted angrily to being given a two-shot penalty.

McIlroy did not hold back on DeChambeau after his third round on Saturday.

"I'm not particularly fond of him. I think a lot of it's performative. I think a lot of it's for attention."