Rory McIlroy celebrated returning to the summit of the world rankings by video calling his two-year-old daughter Poppy.
McIlroy re-established himself as world number one with a 23rd PGA Tour victory at the CJ Cup in South Carolina on Sunday.
The 33-year-old defending champion carded a final-day 67 which included seven birdies to see off the challenge of America’s Kurt Kitayama by a single shot despite bogeying the final two holes.