@The Rock opens up about the transformation he had to undergo to play Mark Kerr in The Smashing Machine. #FallonTonight #TonightShow #DwayneJohnson #MarkKerr

@The Rock calls in a favor from the real-life Smashing Machine Mark Kerr to get revenge on Jimmy 🤣 #FallonTonight #TonightShow #DwayneJohnson #MarkKerr #JimmyFallon