CONCORD, N.C. -- Monday marked a memorable day in the world of sports, as Denver Broncos quarterback Peyton Manning officially announced his retirement after an NFL career that spanned 18 years.
As a fellow Nationwide member, Dale Earnhardt Jr. delivered a special message to the future Pro Football Hall of Famer, which can be seen above.
Jeff Gordon, who in 2015 completed the final full-time season of his iconic, NASCAR Sprint Cup Series career, shared his thoughts as well.