Rahm's frustrated swing in the rough sent a piece of the Aronimink turf directly at a PGA Championship volunteer.

Rahm's frustrated swing in the rough sent a piece of the Aronimink turf directly at a PGA Championship volunteer.

Jon Rahm apologized to a volunteer at the PGA Championship after hitting him with a divot on the seventh hole in Thursday's first round at Aronimink.

Rahm played with emotion on Saturday at Aronimink, writes Michael Rosenberg, and he’s now close to writing his own unique comeback story.