Jon Rahm is the No. 1 player in the world.The best player in golf? That depends on the week.Webb Simpson looked to be tough to beat when he won the RBC Heritage, giving him two victories, a runner-up finish and a third place in his last six PGA Tour events.But then Dustin Johnson won the Travelers Championship, renewing conversations that when he puts in the time, no one has a greater package of talent.