When competing at any level at Daytona International Speedway, things can change in an instant. The final lap of Saturday’s NASCAR Xfinity Series event is a perfect example of just that. Sam Mayer, who was running in the runner-up position as the field took the final lap, was making his potentially race-winning move in turn … Continue reading Video: Sam Mayer Goes Upside Down from Lead on Final Lap of Xfinity Race at Daytona