data-mm-id=”_ywsas6v1j”>Tom Brady has almost everyone beat in the new century in terms of titles. Jimmie Johnson, true to form, is the exception. When Johnson retires from full-time racing after the 2020 NASCAR Cup Series season, a record seven championships will go with him. That haul is a number matched by two legends of the sport: Dale Earnhardt and Richard Petty. “I’m so thankful for 18 incredible years of racing in NASCAR,” Johnson said on NASCAR.com of a career that began in 2002. “The sport has been good to me. It has allowed me to do something I truly love. I showed up chasing a dream and achieved more than I ever thought possible. I’m looking forward to next season and celebrating what will be my last year as a full-time NASCAR Cup driver. I know what this team is ca…