Joe Burrow might've just earned himself a new nickname, 'cause the Cincinnati Bengals superstar is transforming into Batman right before our eyes ... thanks to his expensive new purchase -- a fully functional Batmobile!!
The quarterback revealed his new toy to his teammates during the premiere episode of "Hard Knocks: In Season With The AFC North" on Tuesday ... saying he's secured the new whip -- but will have to wait a year to get it in his possession.