NASCAR's Jimmie Johnson has been a fan favorite for 18-years but watching him race will soon be only a memory. Johnson who is a seven time champion will be chasing one more win before hanging up the keys to his #48 car. Johnson released a video on twitter explaining how next season will be his last. So all Johnson race fans, make sure to get out to the tracks and support him one more season because sadly 2020 will be your last opportunity.