His feud with Dusty Rhodes in 1974 is credited for making the young wrestler one of the most popular "fan favorites" in the NWA's Florida territory.
On September 16, 1972, Song lost to Harley Race in a tournament final for the NWA Missouri Heavyweight Championship.
He was portrayed as a martial artist, dubbed "The Korean Assassin", and broke wood and cement with his bare hands on television.
[3] Managed by Gary Hart, Song feuded with Dusty Rhodes, Hiro Matsuda, Jack Brisco and Terry Funk.
His last documented match was an eight-man elimination match with Stan Stasiak, Gino Hernandez and Gary Young against Bruiser Brody and The Von Erich Family (Fritz, Kevin and David Von Erich) at the Dallas Sportatorium on October 26, 1980.