<sod>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 [[University of Minnesota|Minnesota]] Assistant Head wrestling coach Marty Morgan.<ref>{{cite web|url=http://www.sherdog.com/fighter/Brock-Lesnar-17522|title=Brock Lesnar profile|publisher=Sherdog |accessdate=March 21, 2008}}</ref> Lesnar announced on August 12 in Las Vegas that he had signed a deal with the K-1 promotion.<ref>{{cite web|url=http://mmaweekly.com/brock-lesnar-joins-k-1|title=Brock Lesnar joins K-1|publisher=MMAWeekly.com|date= August 13, 2006|accessdate=April 26, 2007}}</ref> His first fight was scheduled against [[Choi Hong-man]] of Korea on June 2, 2007, at the K-1 [[Dynamite!! USA]] show.<ref>{{cite web|url=http://mmaweekly.com/gracie-lesnar-at-l-a-coliseum-official-2|title=Gracie & Lesnar at L.A. Coliseum Official|publisher=MMAWeekly.com|accessdate=April 26, 2007}}</ref><ref>{{cite web|url=http://www.mmaringreport.com/other-event-news/other-event-news/rumble-in-the-cage-16-at-the-roadhouse-nite-club-3.html|title=Brock Lesnar Good to Go With Hero's|publisher=MMA Ring Report|accessdate=April 26, 2007}}</ref> However, prior to the match, Hong-Man was replaced by [[Kim Min-Soo (judoka)|Min Soo Kim]]. Lesnar submitted Soo Kim with strikes in 1:09 of the first round to win his first official [[mixed martial arts|MMA]] match.<ref name="MMA1"/><eod>
<sod>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 [[University of Minnesota|Minnesota]] Assistant Head wrestling coach Marty Morgan.<ref>{{cite web|url=http://www.sherdog.com/fighter/Brock-Lesnar-17522|title=Brock Lesnar profile|publisher=Sherdog |accessdate=March 21, 2008}}</ref> Lesnar announced on August 12 in Las Vegas that he had signed a deal with the K-1 promotion.<ref>{{cite web|url=http://mmaweekly.com/brock-lesnar-joins-k-1|title=Brock Lesnar joins K-1|publisher=MMAWeekly.com|date= August 13, 2006|accessdate=April 26, 2007}}</ref> His first fight was scheduled against [[Choi Hong-man]] of Korea on June 2, 2007, at the K-1 [[Dynamite!! USA]] show.<ref>{{cite web|url=http://mmaweekly.com/gracie-lesnar-at-l-a-coliseum-official-2|title=Gracie & Lesnar at L.A. Coliseum Official|publisher=MMAWeekly.com|accessdate=April 26, 2007}}</ref><ref>{{cite web|url=http://www.mmaringreport.com/other-event-news/other-event-news/rumble-in-the-cage-16-at-the-roadhouse-nite-club-3.html|title=Brock Lesnar Good to Go With Hero's|publisher=MMA Ring Report|accessdate=April 26, 2007}}</ref> However, prior to the match, Hong-Man was replaced by [[Kim Min-Soo (judoka)|Min Soo Kim]]. Lesnar submitted Soo Kim with strikes in 1:09 of the first round to win his first official MMA match.<ref name="MMA1"/><eod>