Getty Dale Earnhardt Jr. believes Corey Day is a championship contender in 2026. Dale Earnhardt Jr. weighed in on Corey Day’s recent success in the NASCAR O’Reilly Auto Parts Series. Last Saturday at Talladega, Day scored his first career win in his 21st start, piloting the No. 17 Hendrick Motorsports Chevrolet.  The early portion of the 2026 campaign was a struggle for the 20-year-old. Day has been involved in a number of on-track incidents that sparked controversy about his placement in the