The ending to the Brickyard 400 was anticlimactic in a lot of ways, as the race ended under a caution. But even before that there were some signs that NASCAR was potentially trying to help drivers reach the finish line. Following an overtime wreck that collected multiple drivers, including John Hunter Nemechek, Daniel Hemric and Alex Bowman, among others, NASCAR threw a red flag. According to Denny Hamlin, who was also slightly involved in the big overtime pileup, that was an obvious signal. “You don’t think they made calls different at the end of this race than what they do under normal cauti…