Luke Griffith vs Felipe Pena

At Who's Number One 31: Pena vs Griffith, Luke Griffith and Felipe Pena opened with tense hand fighting before Griffith shot a single leg and transitioned to a guillotine attempt, using it to secure top position. Pena worked to entangle the legs in a bear-trap style to force scrambles, but Griffith capitalized on one of those scrambles to take the back, locked a body triangle, and finished with a Rear Naked Choke in under four minutes of a scheduled 15-minute match.

The bout was for the vacant WNO heavyweight title. Some controversy followed the finish, as Pena felt the choke was held slightly long after the tap. Griffith responded that he waited for the referee's stoppage, saying, "When the belt is on the line, you gotta wait till the ref stops it."