Wrestling might be fake, but John Cena is 100% BEAST ...
Here's video of the WWE star proving it by squatting what our TMZ Sports math geniuses calculated is over SIX HUNDRED POUNDS of weight.
John posted the short vid to his Twitter with a caption that read ... "The speed of life gives us chances to make excuses. Define goals, take a pause, and realize you can move mountains."
We have no idea what the hell that means, but we know one thing ... dude is STRONG.
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