UFC debuts don't come much better than Joo Sang Yoo's at UFC 316.

The New Jersey prelims started off with back-to-back decision results, with Quillan Salkilld picking up a high-profile win against Yanal Ashmouz, and MarQuel Mederos won an action-packed display against debutant Mark Choinski.

However, the third fight of the night produced an all-time classic knockout...

UFC 316 live stream: O'Malley vs. Merab 2 [Free]

Joo Sang Yoo debuts with 28-second faceplant KO over Jeka Saragih on the UFC 316 prelims

'Zombie Jr.' Joo Sang Yoo debuted as one of the biggest favorites on the card, as he took on the dangerous Jeka Saragih. Yoo hailed from ZFN, bringing an undefeated 7-0 record into the UFC Octagon, with four first-round knockouts.

Saragih came out of the gates with his patented aggre

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