Consider this mixed martial arts in its original form – one martial art against another.
In this video, a 135-pound, 17-year-old BJJ blue belt takes on a 30-year-old, 175 Hapkido black belt.
The blue belt is Nik Collier, who trains under seven-time IBJJF World Champion Samuel Braga. Nik also holds a brown belt in judo.
The two fought at the KBMA World Grappling Championships in Concord, North Carolina.
Check out the video above!