"None of the punches grazed me or did anything that put me off balance. It's just a freak thing." MORE: Francis Ngannou knocks out Cain Velasquez in 26 seconds in UFC on ESPN in Phoenix ...

Francis Ngannou earned arguably the biggest win of his UFC career with a knockout victory over Cain Velasquez in just 26 seconds in the main event of UFC on ESPN Sunday night from Phoenix, Arizona.

Francis Ngannou and Cain Velasquez exchange punches during UFC Fight Night at Talking Stick Resort Arena on Feb. 17, 2019 in Phoenix, Arizona. (Getty Images) ...

Velasquez managed to get the action pressed against the cage but that’s when Ngannou connected with a short right hand that twisted the former heavyweight champion’s head around on a swivel.

Cain Velasquez's highly anticipated return proved to be short-lived, as Francis Ngannou knocked out the former two-time heavyweight champion in just 26 seconds Sunday at UFC Fight Night in Phoenix.

Watch: UFC fighter Francis Ngannou defeats Cain Velasquez during the UFC Fight Night event at Talking Stick Resort Arena in Phoenix, Arizona. The referee called the fight in about 26 seconds.

Cain Velasquez was so dazed after fighting Francis Ngannou that he didn’t even realise he’d been knocked out.In February 2019, the former two-time ...

PHOENIX, ARIZONA - FEBRUARY 17: Francis Ngannou of Cameroon celebrates his KO victory over Cain... [+] Velasquez in their heavyweight bout during the UFC Fight Night event at Talking Stick Resort ...

Francis Ngannou is a fan of Cain Velasquez, the man he faces on Sunday in the main event of UFC on ESPN 1, but that doesn't mean he doesn't think he can't defeat the former two-time UFC ...