Former world number one Tiger Woods is ranked 666th in the world
Tiger Woods has withdrawn from the Dubai Desert Classic before the second round, because of a back problem.
The 14-time major winner only returned to action in December after 15 months out following two back operations.
Tiger Woods hit three birdies, five bogeys and one double bogey in an erratic opening round at Torrey Pines
Tiger Woods hit a disappointing four-over-par 76 at his first full PGA Tour event for almost 18 months.
England's Justin Rose leads the Farmers Insurance Open in San Diego on seven under after carding an impressive first round of 65, including two eagles.
Woods finished 15th of the 17 players who completed the Hero World Challenge in the Bahamas in December
Tiger Woods admits he has concerns over the physical challenge of stepping up his return from long-term injury.
The 40-year-old 14-time major champion twice had back surgery during 15 months out before returning in December, when he tied for 15th at the 17-man Hero World Challenge.
Tiger Woods is four behind Jack Nicklaus' all-time record of 18 major titles
Tiger Woods' first event of 2017 will be the PGA Tour's Farmers Insurance Open at Torrey Pines in San Diego, which starts on 26 January.
The 14-time major winner last played at the Farmers in 2015, but withdrew in the first round because of an injury.
Woods' caddie Joe LaCava believes merely playing five rounds on consecutive days represented significant progress for his player
Caddie Joe LaCava gave the most realistic assessment after Tiger Woods' return to competitive golf.
"I wasn't going to compare him to the rest of the field," said Woods' bagman after his boss finished 15th of the 17 players who completed the Hero World Challenge in the Bahamas.
