It was 23XI vs. 23XI at Naval Base Coronado on Sunday, as championship leader Tyler Reddick battled part-time teammate Corey Heim in the closing laps. As they battled side-by-side for the lead, they slammed doors and Heim bounced off the wall, before driving off with the win. Reddick suffered a flat tire soon after, and limped home to a 25th-place finish. He now holds just a eight-point lead ... Keep reading