Poulter, 50, was left livid with his rival as he prepared to take his own shot on the fairway, but no 'fore' shout came from the American. DeChambeau watched on as the star turned around raging.

DeChambeau reflected on his British Open performance in light of the controversial ruling by the tournament’s officials.

Poulter, 50, was left livid with his rival as he prepared to take his own shot on the fairway, but no 'fore' shout came from the American. DeChambeau watched on as the star turned…