One of the most winning driver-sponsor combinations in NASCAR history could soon be coming to a close, according to a report from the Sports Business Journal. FedEx is reportedly set to continue reducing its sponsorship presence with Joe Gibbs Racing after this season, with the potential of the long-time deal concluding altogether, SBJ reports. The global organization has been a major sponsor of Joe Gibbs Racing since 2005. FedEx has long been a partner with Denny Hamlin, as well, perhaps one of the most easily identifiable driver-sponsor combos in the sport. CLICK HERE to go to PrizePicks and…