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Le'Veon Bell, Adrian Peterson Prep For Boxing Match In L.A. ... Check Out Our Hands!!!

Adrian Peterson and Le'Veon Bell finally gave us a long look at their boxing skills ahead of their big fight night ... with both dudes hitting the mitts at a workout in L.A. on Wednesday.

The guys took to a local gym's canvas and threw combos repeatedly -- just three days before they'll scrap at Banc of California Stadium.

Peterson put on the gloves first, and while his workout was less intense than Bell's ultimately was ... he showcased what appeared to be some big power.

A shirtless Le'Veon went next -- and he looked good. He was smooth and precise while showing off a chiseled frame.

The guys' fight is all part of the Social Gloves 2 event -- and will take place just before YouTubers Austin McBroom vs. AnEsonGib square off.

Both NFL stars have been complimentary of each other in the buildup to the fight ... but Saturday figures to be a different story when they finally get into the ring.

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