Dricus du Plessis vs. Khamzat Chimaev at UFC 319 is a case of an immovable object taking on an unstoppable force.

The defending champion,' Stillknocks', is undefeated in the UFC, upsetting the oddsmakers on numerous occasions to claim the middleweight belt. 14-0 Chimaev has been a force in the promotion, from unprecedented activity in his debut year to crushing the jaw of Robert Whittaker .

South Africa's Du Plessis admits the pressure is real, but going home without the belt is 'not an option.'

Khamzat Chimaev needed just one punch and 17 seconds to flatline UFC veteran

Dricus Du Plessis: Losing 'not an option' versus Khamzat Chimaev at UFC 319

Known for being somewhat of a marauder in the Octagon, Du Plessis brings a cerebral mindset to the biggest fight of his career in Chicago

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