In July 2014, Mayfield returned to organized racing competition, driving in a Pro Cup Series event at Tri-County Motor Speedway and finishing seventh of the ten cars that started. On September 29, 2014, Mayfield announced he would compete full-time in dirt and Super Late Model racing for 2015. On October 8, 2014, Mayfield started a Dirt Late Model team with plans to compete full-time in the World of Outlaws, with Mayfield as driver of the J2 car and Aaron Thomas as owner; former Charlotte Motor Speedway president Humpy Wheeler is an assistant for Mayfield.
