Round 1: Yamamoto moving around on the outside. Yamamoto jumps in and lands a right hand. Yamamoto lands a left hand. Lee misses with a big counter. Yamamoto lands a right hook. Lee drives forward and looks for a takedown. Yamamoto quickly gets free. Yamamoto lands a big right hand that knocks Lee down. Lee gets up and covers. Yamamoto tries to finish with punches along the cage. Lee recovers. Lee lands a flying knee. They clinch and quickly separate. Yamamoto moves in with a right hand but eats a left hook. Lee lands a combination that wobbles Yamamoto. Lee goes in for the finish. Yamamoto drops down for a takedown. He applies a triangle choke. He switches to an arm bar. Yamamoto taps out. Vaughan Lee submits “Kid” Yamamoto.
The official time of the submission was 4:29 of the first round.