Filed under: AXS TV Fights , Featured Videos , News , Videos Friday’s Legacy FC 54 event featured a handful of stoppages, but this 21-second knockout via leaping knee was the fastest and loudest. Legacy FC 54 took place at Hard Rock Hotel & Casino Tulsa in Catoosa, Okla., and aired on AXS TV. In the co-headliners, Brazilian jiu-jitsu ace Rafael Lovato (3-0) scored a TKO win over fellow submission ace Marcelo Nunes (5-1) to claim  the vacant middleweight belt ,  and middleweight Andrew Todhunter (8-0) retired with an undefeated record after posting a first-round submission win over Evan Thompson (5-3). But the key highlight came from welterweight  Bilal Williams (5-2), who blitzed  Ed Cline (8-6-1) with a knee and forced a stoppage in just 21 seconds