Sergej Grecicho
Sergej Grecicho, or in Lithuanian Sergejus Grečicho, is a Lithuanian Combat Sambo practitioner, and mixed martial artist who has won six medals, three of them gold, in Combat Sambo divisions at the Sambo World Championships. He also was World Pankration Champion and was a runner-up at the European BJJ championships. He was honored at a ceremony by the mayor of Vilnius for his combat sambo world championships.