Connor Zilisch did just about everything except win the title at the secondary level of NASCAR in 2025. <br>The teenager was a rookie in the NASCAR Xfinity Series, but that didn’t stop him dominating the field. He won 10 races, including a summer stretch where he won seven of eight races he entered. Zilisch’s year was marred by a back injury at Talladega and a broken collarbone in a shocking ...<a class='more' href='https://www.autosport.com/general/news/autosport-top-50-of-2025-50-connor-zilisch/10785274/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>