NASCAR plans to implement a new stage-break procedure for its Cup Series races beginning this weekend at Iowa Speedway and continuing through the remainder of the season. Under the new rules, when a natural caution occurs with 10 or fewer laps remaining in Stage 1 or Stage 2, it will be deemed complete at the time of caution — with that same caution period serving as the scheduled stage break. NASCAR CEO Steve O'Donnell said Thursday on social media the change stems from the July 26 race at the Brickyard 400 in Indianapolis, where he said fans were unhappy about too many back-to-back laps run...