Sunshine has won about 30% of the USAC sprint car races this year. 5 drivers have won 81% of the races. 6 drivers have won 89% of the races. 9 drivers have won all the races. Sunshine has 8 wins, Windom and KT 4 each, Darland and Bacon 3, everyone else 5. If you add TMez, everyone else only won 3 races. They are Ballou, Stockon and Leary. Last driver to win a race who wasn't one of those 9 was Roa last November out in California. There were 4 new winners in 2016.