Kyle Larson got into a wreck during the final stage of the Goodyear 400 at Darlington Raceway. After the race on Sunday, Larson explained what happened during the accident. “I was struggling,” Larson said. “I got really loose at the end of that long run and William [Byron] caught me. …I just kind of hung out there. I was trying to be really wide away from him and I just stayed wide too long and I got hung in the marbles and hit the wall.” Larson went on to talk about one of his tires being shredded. He said, “A tire shredded and spun into Turn 3.” He also said it was “my mistake” and he was “n…