EXCLUSIVE

Duke’s only played 9 games this season … but Roy Hibbert‘s already seen enough — ’cause the ex-NBA star tells TMZ Sports he’s ALL IN on Zion Williamson!!!

“He’s an absolute beast of a talent!”

Hibbert tells us he doesn’t think Williamson can ever be checked … and when it comes to Z’s NBA future — Roy says there’s no doubt in his mind he’ll be a superstar.

Of course … a ton of people agree — both Carlos Boozer and Dahntay Jones told us BEFORE the hype train got rollin’ that this would happen.

But, Hibbert’s got no bias here — dude went to Georgetown and has zero ties to the Dukies — which means one thing …

GETCHYA POPCORN READY WHEN THE BLUE DEVILS COME TO TOWN!!!!