This from ESPN:
Selected center Robert Williams with the No. 27 pick.
Schmitz: Along with Walker, Williams has the potential to be the steal of the draft at No. 27 -- the same draft slot of a similar lob-catching, shot-blocking center in Clint Capela. While there are clear questions about Williams' motor, the rangy big man is without a doubt a top-10 caliber talent when fully engaged.
He's much more suited for the open NBA game than the role he played as a power forward with clogged paint at Texas A&M. Boston is the exact environment that Williams needs to rev up his focus and commitment to his craft. The Celtics also could really use a big in Williams' mold, as he'll be a tremendous lob threat for Kyrie Irving and the rest of Boston's offensive weapons.