Jeff Gordon, the charismatic four-time NASCAR champion who became the face of the stock car racing as the sport exploded in popularity a generation ago, will retire as a full-time driver after the 2015 season. Gordon did not call his decision a retirement because there is ''always the possibility I'll compete in selected events, although I currently have no plans to do that.'' But it is clear that he is ready to step away after spending his entire 23-year career in the No. 24 car with Hendrick Motorsports. ''As a race car driver, much of what I've done throughout my life has been based on following my instincts and trying to make good decisions,'' Gordon said. More...