Golf: Defending champion JJ Spaun following his US Open blueprint from last year [SOUND]

# Golf: Defending champion JJ Spaun is attempting to replicate his preparation that delivered him the US Open crown at Oakmont last year. The 35-year-old American could become only the eighth player to win back-to-back US Open titles, a group that includes Brooks Koepka, Ben Hogan, Curtis Strange, and Willie Anderson. Spaun, who captured his third PGA Tour title at the Texas Open in April, has been working on a variation of shots: