Jimmy Walker secures his second title this year with a nine - shot win . burns held off a late shot from runner - up Jordan burns . 21-year - old burns carded four shots on the last five shots .
Jimmy Walker secures his second title this season with a four-shot win . Walker held off a late challenge from runner-up Jordan Spieth . 21-year-old Spieth carded four birdies on the last five holes .