Have you heard about the one-armed MMA fighter? It's not a set-up to a bad joke. Nick Newell is currently a hot topic in the world of Mixed Martial Arts since starting his career with a perfect 8-0 record.

Newell who was born with only one fully formed arm uses his quickness and agility to against his opponents.

During a recent bout at XFC 19 in Charlotte, North Carolina, Newell knocks out opponent Adam David Mays in the first round with a well-placed knee to the face: