FILE - In this Feb. 13, 2019, file photo, driver Jimmie Johnson smiles during media day for the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla. As he prepares for his final season of full-time racing, the most accomplished driver of his generation has changed his mindset. “I’m not chasing anything,” said Johnson, who is determined to enjoy his 19th and final Cup season. (AP Photo/Terry Renna, File)

FILE - In this Nov. 10, 2019, file photo, Jimmie Johnson waves during driver introductions prior to the NASCAR Cup Series auto race at ISM Raceway in Avondale, Ariz. As he prepares for his final season of full-time racing, the most accomplished driver of his generation has changed his mindset. “I’m not chasing anything,” said Johnson, who is determined to enjoy his 19th and final Cup season. (AP Photo/Ralph Freso, File)

FILE - In this March 24, 2019, file photo, driver Jimmie Johnson (48) greets fans during driver introductions prior to the NASCAR Cup Series auto race at the Martinsville Speedway in Martinsville, Va. As he prepares for his final season of full-time racing, the most accomplished driver of his generation has changed his mindset. “I’m not chasing anything,” said Johnson, who is determined to enjoy his 19th and final Cup season. (AP Photo/Steve Helber, File)

FILE - In this Nov. 3, 2019, file photo, Jimmie Johnson (48) races down the front stretch during a NASCAR Cup Series auto race at Texas Motor Speedway in Fort Worth, Texas. As he prepares for his final season of full-time racing, the most accomplished driver of his generation has changed his mindset. “I’m not chasing anything,” said Johnson, who is determined to enjoy his 19th and final Cup season. (AP Photo/Randy Holt, File)