James Harrison, 39, Defies Father Time With These Insane Workout Videos

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James Harrison is a freak of nature.

The Pittsburgh Steelers linebacker, who turns 39 on May 4, displayed a complete disregard for Father Time with a series of ridiculous workout videos posted on Instagram.

Yeah, that’s not someone you’d want to mess with.

Thumbnail photo via Charles LeClaire/USA TODAY Sports Images

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