WWE Hall of Famer Mark Henry -- who earned the title of "World's Strongest Man" in 2002 -- says his son Jacob, will be an even better athlete than he was ... telling TMZ Sports the kid can already squat 600 pounds!!
Henry spoke glowingly about 16-year-old Jacob and his many talents in an interview with TMZ Sports ... telling us how proud he was of the high school junior for constantly striving to get better without needing a push from his father.
"Football-wise, he's already ahead of me," Henry said.