text:  On April 29 , 2006 , after the final match of the K @-@ 1 World Grand Prix 2006 in Las Vegas , Lesnar announced his intent to join K @-@ 1 's mixed martial arts league , Hero 's . He trained with Minnesota Martial Arts Academy under Greg Nelson and Minnesota Assistant Head wrestling coach Marty Morgan . Lesnar announced on August 12 in Las Vegas that he had signed a deal with the K @-@ 1 promotion . His first fight was scheduled against Choi Hong @-@ man of Korea on June 2 , 2007 , at the K @-@ 1 Dynamite ! ! USA show . However , prior to the match , Hong @-@ Man was replaced by Min Soo Kim . Lesnar submitted Soo Kim with strikes in 1 : 09 of the first round to win his first official MMA match . 
  