Tyler Reddick, right, poses with Dale Earnhardt Jr., co-owner of JR Motorsports, left, 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)

Tyler Reddick holds the trophy 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)

Tyler Reddick holds the trophy after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Tyler Reddick waves a checkered flag after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Cole Custer, left, is congratulated by Tyler Reddick after winning the pole position during qualifying for the NASCAR Xfinity Series auto race at Homestead-Miami Speedway in Homestead, Fla., Saturday, Nov. 17, 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)

Cole Custer (00) makes a pit stop during the NASCAR Xfinity Series auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Tyler Reddick does a burnout after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Tyler Reddick does a burnout after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Tyler Reddick stands on his car after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Tyler Reddick waves a checkered flag 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)

Tyler Reddick, right, is hugged after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Tyler Reddick holds the trophy 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)

Tyler Reddick holds the trophy after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Tyler Reddick, right, poses with Dale Earnhardt Jr., co-owner of JR Motorsports, left, 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)

Tyler Reddick stands with his car after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Tyler Reddick holds the trophy after winning the NASCAR Xfinity Series championship auto race at the Homestead-Miami Speedway, Saturday, Nov. 17, 2018, in Homestead, Fla. (AP Photo/Lynne Sladky)

Christopher Bell stands next to his car during practice for the NASCAR Xfinity series auto race at the Homestead-Miami Speedway, Friday, Nov. 16, 2018, in Homestead, Fla. Bell, who successfully handled a must-win scenario in the semifinal round of the Xfinity Series playoffs at Phoenix last week, is now the favorite to win it all in the championship race Saturday. (AP Photo/Terry Renna)