Tour says Johnson leave 'voluntary'

[truebluefan]

Dustin Johnson was suspended for six months by the PGA Tour after he tested positive for cocaine, according to a report on Golf.com.

Citing a source, Golf.com reported that Johnson has failed three drug tests -- two for cocaine (in 2014 and '12) and one for marijuana (2009).

Read more http://espn.go.com/golf/story/_/id/...-months-pga-tour-testing-positive-cocaine-use