(Officialsportsbetting.com) – Dustin Johnson, bidding to take the world number one ranking, surged to a five-stroke lead after the third round of the weather-plagued Genesis Open on a busy Sunday. The long-hitting Johnson stayed on course for his first top ranking with a sizzling round of seven-under 64 at the famed Riviera Country Club in Los Angeles. The world number three quickly went back to work as officials tried to cram the tournament’s final 36 holes into a long day of play.