Muamer Hukić (born 11 November 1984), best known as Marco Huck, is a German professional boxer known for his aggressive style and punching power. He is the second longest reigning cruiserweight world champion of all time, having held the WBO title from 2009 to 2015, making thirteen consecutive successful defenses, which is a division record shared with Johnny Nelson. Huck also held the IBO cruiserweight title from 2016 to 2017, the European cruiserweight title from 2008 to 2009, and has challenged once for the WBA (Regular) heavyweight title in 2012. Wikipedia