Jörgen started practicing martial arts first time in 1984. He tried Judo and Jujutsu and couple years later switched over to taekwondo. It was not until 1987 when he came in contact with Muay Thai first time. He started to train under Po Lindwall. Kruth had his first Muay Thai fight in 1988 at the age of 14. In 1993 he had 3 amateur boxing bouts and as well as two Savate fights. In 1994, at the age of 19, he became Nordic Muaythai Champion. In 1995, Kruth participated at IAMTF Amateur World Muay Thai Championships in Bangkok. He worked his way all the way to the final where he lost against a Thai and went home with a silver medal in -81 kg. In 1996, he became the Amateur Muay Thai World Champion for the first time and defended this title in 1997 as well. In 1997 Jörgen changed his training center to his current club, Vallentuna Boxing Camp and a year later turned pro. He won his first two professional fights by KO at the famous Rajadamnern Stadium in Bangkok and became WKA Muay Thai Cruiserweight World Champion. In 1999 Jörgen Kruth fought in Japan for the first time and won by KO. He followed up his strong debut by knocking out all three opponents in the same night at K-1 World GP tournament in Zagreb. In 2004, Kruth became the WMC Super Heavyweight Muay Thai World Champion defeating Polish-Australian Paul Slowinski. In February 2005, he defended his title against Sergei Gur from Belarus,
MMA career
Kruth made his professional MMA debut in April 2009. He amassed an undefeated record of 5 wins over the next couple of years with none of his fights having reached the second round. Kruth was expected to make his UFC debut on April 14, 2012 against Cyrille Diabaté at UFC on Fuel TV 2. However, Kruth was forced out of the bout with an injury and replaced by Tom DeBlass. Kruth was expected to finally make his UFC debut against Fabio Maldonado on September 29, 2012 at UFC on Fuel TV 5 in Nottingham, England. However it was reported on September 7, 2012 that Kruth dropped out of his fight with Maldonado to retire from combat sports.
Titles
Professional
* 2004 WMC Superheavyweight Muay Thai World Champion