Figure somewhere around 6,000 division I basketball players play any given year, and 30-60 open roster spots acorss the NBA each year. That would mean the chances of a division I player going pro is less than 1%.
There is a VERY SLIM chance of one making it to the NBA. Lets put it this way you are sh*t im 7" 4' and im in next years draft sit on that and swivel and dont aspire to be anything wasteman