Who is No. 1? Top college player often not top NBA prospect

FILE - In this March 3, 2018, file photo, Duke's Marvin Bagley III (35) celebrates after a dunk during the second half of an NCAA college basketball game against North Carolina in Durham, N.C. Bagley III is a member of the Associated Press NCAA college basketball All-America first team, announced Tuesday, March 27, 2018. (AP Photo/Ben McKeown, File)

RALEIGH, N.C. — Duke’s Marvin Bagley III, Arizona’s Deandre Ayton and Oklahoma’s Trae Young are certain high NBA draft picks, one of them could easily be the top overall selection.