Austin Hill wins in wild Xfinity finish at Daytona
February 18, 2023 By Reid Spencer NASCAR Wire Service DAYTONA BEACH, Fla. – After Sam Mayer spun on the roof of his Chevrolet on the backstretch at Daytona International Speedway, trailing a shower of sparks, Austin Hill, Justin Allgaier and John Hunter Nemechek sat in their cars and waited. And after what must have seemed an eternity to the drivers, NASCAR reviewed video of the final lap of overtime and declared Hill the winner of his second straight season opener at the World Center of Racing in front of the largest crowd to witness an Xfinity Series race at Daytona…