Prior to becoming a star in professional wrestling, Ahmed Johnson, whose real name is Anthony Norris, played middle linebacker for the Dallas Cowboys for two seasons (1990 and 1991). He wasn't a big star, nor did he receive a lot of playing time, so he's not remembered by too many NFL fans.
In order to sell his big match at Wrestlemania 3 against Hulk Hogan, Andre the Giant was promoted as having an undefeated streak that stretched over fifteen years. Gorilla Monsoon heavily sold that fact as well. However, he had actually been beaten a few times in other countries during that time period.
When Barbarian and Warlord left the NWA while in the midst of a high profile feud against the Road Warriors, a lot of people were puzzled. It was later discovered that the Powers of Pain had backstage heat with the company because they did not want to work a series of scaffold matches.
Jimmy Hart has managed some of the most well known performers in WWE history, but his very first client in the company was Greg Valentine, who was the Intercontinental Champion at the time. Management would split up the duo shortly after Valentine lost the belt.
After playing football collegiately for the University of Miami and professionally for the Montreal Alouettes of the Canadian Football League, Lex Luger made his way to the NFL when he signed with the Green Bay Packers. Unfortunately, though, he never played a single regular season game for the team.