Charlotte Observer file video - NASCAR driver Dale Earnhardt Jr., who will return to Cup racing in Sunday's Daytona 500 after missing 18 races last season with a concussion, said his doctor told him that no two concussions are alike. Jeff Siner jsiner@charlotteobserver.com
Charlotte Observer file video - NASCAR driver Dale Earnhardt Jr., who will return to Cup racing in Sunday's Daytona 500 after missing 18 races last season with a concussion, said his doctor told him that no two concussions are alike. Jeff Siner jsiner@charlotteobserver.com

NASCAR’s Dale Earnhardt Jr. says if he wins Cup championship ‘it would be hard not to hang it up’

February 22, 2017 11:44 AM