NASCAR doesn’t trust Goodyear tires, will throw yellow

NASCAR will throw a competition caution after lap 20 is completed in today's Sunoco Red Cross Pennsylvania 500 at Pocono Raceway. Rains on Saturday made the track green, and the caution will allow teams to check tire wear. Teams cannot refuel prior to the competition yellow.

Rain making the track green. In other forms of racing it is not necessary to throw a competition yellow if it rains the day before the race. However, NASCAR uses Goodyear tires exclusively, whereas other series, on other brands, do not have this problem. You decide…….