Celtics just quietly moved on from offseason acquisition

Boston Celtics, Brad Stevens, RJ Luis Jr. | Michael Reaves/GettyImagesThe Boston Celtics have waived RJ Luis Jr., per Noa Dalzell of Celtics Blog. The former UMass Amherst and St. John's star needs surgery that will keep him out for an extended period. That development forced the organization's hand.

The Celtics acquired Luis in an offseason trade with the Utah Jazz. The primary motivation of the move was to shed Georges Niang's salary. To entice the latter team to do so, Boston sent over a second-round pick.

After going undrafted, the six-foot-seven wing joined the Jazz on a two-way deal. He remained on that agreement after joining the Celtics. However, Ron Harper Jr. prevailed in the battle…