LaVar Ball is bringing back the Big Baller Brand in a huge way -- but admits he's still not 100% sure if his NBA-destined son LaMelo will wear BBB shoes when he gets to the pros.

FYI, 18-year-old Melo is definitely a top prospect in the 2020 NBA Draft -- some people think he could go as high as #1. His older brother Lonzo Ball was the #2 pick back in 2017.

And with LaVar relaunching BBB with the promise of new basketball shoes and other items, the guys on "TMZ Live" asked if he'd be signing his youngest son to an endorsement deal.