Mixed martial arts is an ever growing sport. Consequently, fight fans are often blessed with new and exciting performances that expand the understanding of whats possible inside the cage. This time around, a female competitor earned a vicious knockout blow that may have fans talking for quite some time. Former UFC women's bantamweight champion Holly Holm earned a stunning headkick knockout victory over Ronda Rousey for her title in a performance that has echoed through the past few years. Now another competitor has stepped forward to one up that performance. The International Mixed Martial Arts Federation (IMMAF) hosted their 2018 Senior European Championships in Bucharest, Romania over the week, featuring a series of interesting fights. Among them, Jenni Kivioja went toe-to-toe with Jessica Forslund Reis. Kivioja caught her opponent with a vicious head kick that immediately sent Reis to the canvas. Check out a replay of the stunning finish within the video above. For more MMA news click here.