HOFer Dennis Rodman is one of the greatest rebounders ever ... but he's not even the best hooper in his family ... 'cause Dennis says his son's a "way better" player than him.
TMZ Sports saw Rodman -- a 5x NBA champ -- in L.A. earlier this week ... and asked the "Worm" about his teen son, D.J. Rodman ... who's a beast on the court.
D.J. -- who plays at Corona del Mar H.S. in California -- is only a sophomore. Still, the way Rodman describes his son, the kid's gonna be rockin' an NBA uni one day soon.
Check out the clip!