You don't become a 15-time WWE World Heavyweight Champion without putting in work, which is what United States Champion John Cena showed off in a video of his 396-pound squat.

On Twitter, The Champ ( @JohnCena) dropped a tweet with footage of him hoisting the impressive weight, and the trending video must have Rusev, Cena's WWE Payback opponent, a little gun-shy heading into their "I Quit" Match this Sunday.

Watch the video below and watch Cena clash with Rusev live on WWE Network at WWE Payback.