Tenshin Nasukawa stops Yuta Hamamoto with devastating flying knee at Rizin FF 9

Tenshin Nasukawa, the 19-year-old supernova, improved his pro kickboxing record to 21-0 by bagging his 17th career knockout over Yuta Hamamoto at Rizin FF 9 Sunday at Saitama Super Arena in Japan.Nasukawa scored the dramatic stoppage after dropping his opponent earlier in the second round. When the action resumed, he stormed across the ring and launched himself at Hamamoto, ending the fight in dramatic fashion.The teenage kickboxing star booked his place in the final of the one-night flyweight