Undefeated Guillermo Rigondeaux (13-0, 8 KOs) knocked out Sod Looknongyantoy (63-2-1, 27 KOs) in one roudn similair to what happend in the Mayweather vs Ortiz fight. Looknongyantoy was hurt bad by an accidental headbutt and went down. When action resumed, they touched gloves, then Rigondeaux immediately landed a combination that dropped him. The bout was waved off by referee Mark Nelson. The win ended a 37 bout winning streak for Looknongyantoy. That bout will be televised via same-day delay as the main event of Solo Boxeo Tecate on UNIMÁS, beginning at 11:00 p.m. ET/PT.