Dale Earnhardt Jr. opened his Friday noting the evening’s NASCAR Xfinity Series race at Bristol Motor Speedway may be his final foray in a NASCAR national series race. The course of the 300-lap event threw him about everything imaginable: ongoing radio issues,

Dale Earnhardt Jr. returns to run Friday night’s NASCAR Xfinity Series race at Bristol Motor Speedway. The race is also the final of the regular season. Earnhardt is making his first series start since placing fifth at Homestead last October.