Fighter 'Blows Out Knee' After Landing 7-Second KO [WATCH]

A UFC fighter landed a record-breaking knockout at UFC 263 on June 12, 2021, and then proceeded to injure himself during his celebration. According to UFC anchor Karyn Bryant, Terrance McKinney earned the fastest KO in the promotion's lightweight history, finishing Matt Frevola in seven seconds during their early preliminary match. McKinney's KO is tied for the forth fastest in the UFC, Bryant reported.