William Byron is done for the night, one lap shy of completing 200 laps after he hat a cut left front tire, which sent him rocketing into the outside wall in the NASCAR Cup Series Cook Out Southern 500. William Byron's one of many drivers in the #NASCARPlayoffs with issues tonight. pic.twitter.com/WF1D4jWXTK — NASCAR on … Continue reading Video: William Byron Joins McDowell, Kyle Busch as Playoff Contenders Out of Southern 500, After Big Hit