William Caleb Yarborough was an American NASCAR Winston Cup Series driver and owner, businessman, farmer, and rancher. He was the first driver in NASCAR history to win three consecutive championships, winning in 1976, 1977, and 1978. He was one of the preeminent stock car drivers from the 1960s to the 1980s and also competed in IndyCar events. His fame was such that a special model of the Mercury Cyclone Spoiler II was named after him.
