Lamar Jackson is building a brand around the No. 8, which he wears for the Baltimore Ravens, and isn't afraid to go head-to-head with former athletes who lay similar claim to the number. Among them is Dale Earnhardt Jr., who used the number on his famous Budweiser-sponsored car earlier in his career.

Former NASCAR racer Dale Earnhardt Jr. opens up about his feud with Baltimore Ravens star Lamar Jackson over the No. 8.