Derrick White is probably one of those people that come from a eugenics program (see:
https://memory-alpha.fandom.com/wiki/Khan_Noonien_Singh ).
A late bloomer that started college at 6' and gained 4"+ playing in division 2.
There's an IQ advantage of staying young much longer. Humans and dogs are examples of primates and wolves that stay young much longer.
Look at the guy's forehead, it's much larger than Sam Cassell. If you remember Sam Cassell when he was a rookie in the Rockets NBA championship team, the guy could not miss!
Usually guards this good can't shoot (see: Kid, Rondo), this guy can hit the 3 and can do in consistency on the dribble!
He's not as big as James Harden, so that where you can mark his limit!