DJ testing new driver shafts at Canadian Open
World number one looking for a new flight after missed cut at the Open.
Dustin Johnson is testing out new driver shafts at the Canadian Open in order to dial in his flight characteristics, as reported by the Golf Channel.
The world number one arrives at Glen Abby after a missed cut at the Open.
Johnson averages 312 yards off the tee with his TaylorMade M4 driver, with an accuracy of 57.6%.
