Biggest pro football accomplishments: Made four AFL All-Star teams, was named an AFL All-Pro three times, and won one AFL Championship while playing defensive tackle for the Chargers, Oilers, and Chiefs
Biggest pro wrestling accomplishments: Turned himself into one of the first African-American heel characters in pro wrestling history during his time in the National Wrestling Alliance and World Wrestling Association and won the WWA World Heavyweight and World Tag Team Championships
The key to his career change: He sustained several knee injuries towards the end of his football career that forced him to look into wrestling full-time in order to make a living.

Standing at 6-foot-9 and weighing more than 300 pounds, Ladd was one of the biggest, strongest pro football players in the game back in the 1960s. So when he decided to quit playing football, he was a natural fit for pro wrestling. The cocky, arrogant personality that he assumed while wrestling made him a great heel and he milked it for all it was worth, wrestling for almost 20 years before he was forced to retire due to his chronic knee issues in 1986. He later served as a color commentator for the WWE and was inducted into the WWE Hall of Fame in 1995.