Ready for a boxing vs. UFC blast from the past? We’ve got one for you. Former boxing champ Andy Ruiz went into the archives and dug up some footage of him sparring with former UFC heavyweight champion Andrei Arlovski when he was just a teenager. Check it out (via Twitter ): I was 16 years old when I had the honor to spar with UFC Heavyweight Champion Andrei Arlovski .
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Andy Ruiz shares old sparring footage with former UFC champ Andrei Arlovski – MMA Junkie