Gibbs wins 5th NASCAR title in season dedicated to late son

Kyle Busch, front left, celebrates with teammates in Victory Lane after winning a NASCAR Cup Series auto racing season championship on Sunday, Nov. 17, 2019, at Homestead-Miami Speedway in Homestead, Fla. (AP Photo/David Graham)

Denny Hamlin will honor JD Gibbs with a hashtag painted on his car for a NASCAR Cup Series auto race on Saturday, Nov. 16, 2019, at Homestead-Miami Speedway in Homestead, Fla. Gibbs past away earlier this year. (AP Photo/Terry Renna)

Kyle Busch holds up his trophy in Victory Lane after winning a NASCAR Cup Series auto racing season championship on Sunday, Nov. 17, 2019, at Homestead-Miami Speedway in Homestead, Fla. (AP Photo/Terry Renna)

Team owner Joe Gibbs stands next to the championship trophy after his driver Kyle Busch won a NASCAR Cup Series auto racing season championship at Homestead-Miami Speedway in Homestead, Fla., Sunday, Nov. 17, 2019. (AP Photo/Luis M. Alvarez)