NASCAR is making a splash in the college football NIL game. Darlington Raceway, NASCAR’s oldest superspeedway and home of the Cook Out Southern 500, has signed a name, image and likeness deal with Coastal Carolina quarterback Grayson McCall. The raceway, in announcing the partnership Wednesday, described it as the “first NASCAR owned track NIL deal.” A formal announcement was being made Wednesday afternoon at a news conference featuring McCall at the racetrack. “Grayson McCall is one of the finest quarterbacks in college football, so we are proud to partner with him as the first NASCAR owned t…