The 2017 year in professional golf is off to a fast start in the equipment industry.  A number of the game's leading players have made "off-season" equipment changes.  PGATOUR.com Equipment Insider, Jonathan Wall, has the skinny on everything that went down and shares it in-depth with you.  Jonathan discusses Tiger Woods' Bridgestone ball change, Rory McIlroy's change in his set of irons to Callaway, Jason Day's new apparel deal with Nike, and Dustin Johnson incredible display of power at the Taylor-Made New Product Launch.