Career
He competed in two Ultimate Fighting Championship tournaments. Hackney started training martial arts at the age 11 by learning wrestling, boxing and tang soo do. Two years later he began learning the art of taekwondo and eventually received a second degree black belt.
In 1990, he furthered his martial arts training by beginning to train White Tiger Kenpo Karate.
In 1994, Hackney was contacted by Art Davie for the Ultimate Fighting Championship. He was slated to compete at the UFC 3 tournament, where he entered as an alternate to one of the original players.
Hackney left the cage with an injured wrist, however, and was forced to abandon the tournament. Hackney returned at UFC 4, where he faced Joe Son in a fight made infamous by the UFC rule from the time which allowed groin strikes.
Keith was taken down and endangered with a guillotine choke, but he resorted to punch repeteadly Son"s groin in order to make him release the hold.
After several blows Hackney could reposition over Son, and he then dug his fingers in his opponent"s carotid artery in a form of blood choke, making him tap out. The kenpo practitioner advanced in the tournament, going to face Royce Gracie in the next round. Hackney resisted an initial takedown and landed several shots, including a right hand which marked Royce"s face, but he was eventually downed and choked out.
His last Mobile Marketing Association fight would be at the event Ultimate Ultimate 1995, where he fought Marco Ruas in a losing effort.
Hackney has appeared in four movies: Superfights, Cut, Thrust and Pump.