Player development, especially in regards to big men, has become one of the Duke basketball coaches' most glaring weaknesses. Though so few five-stars and four-stars stick around more than one year these days, those who do often look like three-stars by the time they are upperclassmen.
Marques Bolden, a five-star who ranked No. 14 on the 247Sports 2016 Composite, left after his junior season after never averaging more than a handful of points and rebounds. Josh Hairston, a four-star who ranked No. 36 in the 2010 class, made Duke fans' eyes bleed for four years and averaged a career-low 1.