Roberto Satoshi de Souza Stops Luiz Gustavo in 21 Seconds at Rizin 48

Rizin Fighting Federation lightweight champion Roberto Satoshi de Souza scored the fastest victory in his 11-year MMA career at Rizin 48 in Saitama, Japan. De Souza, who now has 14 first-round finishes on his resume, knocked out title challenger Luiz Gustavo in just 21 seconds to cap off an entertaining card.