Daron Cruickshank is a mixed martial arts veteran. With experience inside the octagon, the fighter has taken on some of the sport's toughest and most talented competitors during his time as a competitor. With that in mind, Cruickshank put on a dominant performance over the weekend. This time around, the fighter earned a stunning knockout finish. Rizin FF 10 went down in Fukuoka, Japan on Sunday, May 6. The fight card featured a series of exciting match ups for the Fukuoka crowd. Among them, Daron Cruickshank went toe-to-toe with Shooto champion Koshi Matsumoto. Of course, the fight did not last too long. Within the first round, Cruickshank managed to knock out his opponent with a dazzling head kick. After the strike, Cruickshank flipped off his unconscious opponent. The controversial moment can be seen within the video above. For more MMA news click here.