Alex Bowman, who has missed the last five races because of a concussion, describes the changes to his headrest he has made.
Tyler Reddick explains what happened at Martinsville to force him to retire from the race
Tyler Reddick explains what happened at Martinsville to force him to retire from the race and also that he was wearing a mouthpiece that collected data on the wreck. ESN FeedsThis post was originally published on this site
