GLORY 13 airs on Spike TV in the USA at 9/8c on Dec. 21st, and on BT Sport 2 in the UK on Saturday night at 00:30 am GMT: http://www.gloryworldseries.com/en/events/how-to-watch/369 Nieky Holzken is called "The Natural" for a reason - he doesn't just fight for a living, he fights because he loves it. His match versus Karapet Karapetyan will be a rematch 2 years in the making, and only one of them can make it to the tournament final.