LINCOLNSHIRE, Ill. & PONTE VEDRA BEACH, Fla.–(BUSINESS WIRE)–The PGA TOUR and CDW Corporation (Nasdaq: CDW) today announced a five-year extension of their marketing relationship that will extend CDW’s role as the “Official Technology Partner of the PGA TOUR and PGA TOUR Champions” through 2021. Through the agreement, CDW will continue its exclusive sponsorship of the PGA TOUR’s ShotLink® real-time scoring system and maintain branding across the bottom of the TOUR’s electronic scoreboards at t