Rory McIlroy is back on top of golf 's world rankings . The Northern Irishman won the World Golf Championships event in Akron , Ohio . It was the fourth tournament McIlroy had played since winning the 2013 British Open . McIlroy is favorite to win this last summer 's Ohio PGA Championship .
Rory McIlroy is back on top of golf 's world rankings . The Northern Irishman won the World Golf Championships event in Akron , Ohio . It was the first tournament McIlroy had played since winning the British Open . McIlroy is favorite to win this week 's U.S. PGA Championship .