Gary Van Sickle, Senior Golf Writer (Si.com/golf) discusses the course design improvements at Southern Hills and how gusty winds will challenge the players’ ball-striking at the PGA Championship

Gary Van Sickle, Senior Golf Writer (Si.com/golf) discusses the course design improvements by Gil Hanse and Jim Wagner at Southern Hills, how Mother Nature and gusty winds will challenge the players’ ball-striking at the PGA Championship, and predicts there will be a jampacked leaderboard on Sunday in the quest to win the Wannamaker Trophy.