Spieth is six-under-par, making it five consecutive rounds at the top
Spieth fired a flawless 66 to hold the lead
Find out when everyone will be getting started
Of the world’s top six golfers, only Rory McIlroy has yet to place a swoosh in the win column this term
Northern Ireland’s world No 3 is trying out a new method to try to improve his putting stroke as he tries to take back top billing from the American with the first major of the season approaching next month at Augusta
Watson won at the Northern Trust Open
Spieth was the highest earner in golf last year, picking up over £37m in prizes and endorsements
Play was delayed for three hours
The northern Irishman collects the accolade for the third time in four years
Northern Irishman overhauls Sullivan after making remarkable recovery from shot into water on 17th
McIlroy on the brink of the Race to Dubai title
Sullivan leading the DP World Championship in Dubai at halfway stage
'Some of the world's best beaches are in Ireland'
Northern Irishman missed the WGC-HSBC Champions pro-am, but was able to tee-off this morning when the tournament got under way
He has yet to drop a shot in his two rounds
This is Dubai, and bling is back. If you want to get the attention of a millionaire golfer you have to go big. The Dubai Desert Classic has gone bigger than any tournament on earth with a record jackpot for a hole-in-one at the 17th, a cool $2.5 million (£1.5m). Even Rory McIlroy is interested.