Radomir Petković
Radomir Petković is a Serbian professional wrestler and former amateur wrestler. He is best known for his time in WWE, in their developmental territory NXT as King Konstantine.Petković won two bronze medals in Greco-Roman and Freestyle wrestling at the 2009 Mediterranean Games in Pescara, Italy. He became European vice-champion at the 2010 European Wrestling Championships in Baku, Azerbaijan.WWE
NXT (2015–2016)
On April 13, 2015, it was announced that Petković had signed a developmental contract with WWE and begun training to become a professional wrestler at the WWE Performance Center in Orlando, Florida. On December 3, 2015, he had his first professional wrestling match in a NXT House Show as King Konstantine. On August 18, 2016, it was announced that Petković had been released from his WWE contract.