Javin DeLaurier symbolizes Duke basketball staff's shortcomings

Here's one thing to be thankful for today: by next Thanksgiving, walking foul Javin DeLaurier will no longer be giving Duke basketball fans headaches.

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…