The End of an Era for Martin Truex Jr. Martin Truex Jr‘s career might end in shame as his farewell season in NASCAR has been filled with challenges, putting his legendary career at risk. Although he started the season with hope, mechanical problems and uneven results have left him in mid-pack standings. So far, he has only five top-four finishes to show for his hard work. As fans watch closely, they wonder if Martin Truex can turn things around and leave the sport with a strong finish.