Not that this subject is closely NorCal basketball related but below are two articles all about the one-and-done rule regarding entering the NBA.
take: it all about freedom of choice and there should be no artificial
barriers limiting when a talent can declare for the NBA draft. Granted,
there's always Europe and Asia but no United States in an infrigement on
Roots of one-and-done rule run deep
The unknown future of one-and-done