All Dwayne 'The Rock' Johnson's movies, ranked from worst to best

Tech Insider : Business, Sports
Dwayne Johnson in a suit smiling
Dwayne Johnson.

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Dwayne Johnson plays an MMA fighting legend in 'The Smashing Machine.' Here's everything to know about the real Mark Kerr.

Tech Insider : Arts & Entertainment, Business, Sports
Mark Kerr with his fists up
Mark Kerr is the subject of the movie "The Smashing Machine."

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