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Mike Tyson, 54, who recently revealed his intention to return to the ring, released another training video.

Reporter Kwon Jong-oh.

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This is a boxing training video posted by Tyson on his Instagram.

The age of 54 boasts incredible speed and power.

The powerful double hook and left upper cut are reminiscent of their prime.

[Mike Tyson / Former World Heavyweight Champion: I'm Back]

Tyson is pursuing a four-round charity match, and Evan Hollifield, who was 'Ansook', is counted on his first finger before returning.

"I'm four years older than Tyson, but I'm confident because I've taken good care of my body," Hollyfield expressed his expectations for the match.

If the two fighters will face each other, they will have their third match in 23 years since 1997, when Tyson bite Holly Field's right ear and fell stigmatized as 'nuclear teeth' in 'nuclear fist'.

(Video editing: Choi Eun-jin)