Brett Moffitt holds up his trophy in Victory Lane after winning the NASCAR Truck Series auto racing season championship at Homestead-Miami Speedway in Homestead, Fla., Friday, Nov. 16, 2018. (AP Photo/Terry Renna)

Tyler Reddick, right, sprays champagne after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Terry Renna)

NASCAR President Steve Phelps speaks during a news conference before the NASCAR Cup Series Championship auto race at the Homestead-Miami Speedway, Sunday, Nov. 18, 2018, in Homestead, Fla. (AP Photo/Terry Renna)