Marvin Begley III is the top-ranked high school basketball recruit in the country, but sometimes even top dogs get humbled. During a recent AAU tournament in Los Angeles, Begley was shown up by none other than Nahziah Carter, Jay Z's nephew.

Video from the game shows Nahziah, who's ranked 328th in the country, go in for a savage dunk over Begley. Better still, Uncle Hov was in attendance and got to witness his nephew posterize the very sought-after Begley.

Check it out up top.