PGA star Dustin Johnson -- Paulina Gretzky's fiance -- has been suspended from the PGA tour after reportedly testing positive for cocaine.Sources tell Golf.com ... 30-year-old Johnson privately failed three drug tests over the past 5 years -- weed (2009) and cocaine (2012, 2014).
Earlier this week, Johnson announced that he had taken a leave of absence from pro golf -- but now it seems there's way more to the story.
In a statement, Johnson explained, "I will use this time to seek professional help for personal challenges I have faced."
He added, "By committing the time and resources necessary to improve my mental health, physical well-being and emotional foundation, I am confident that I will be better equipped to fulfill my potential and become a consistent champion."
Calls to the PGA have not been returned.