The Boston Celtics continue to look at all options leading up to the NBA draft which includes landing the No. 1 overall pick. A league source has told CSNNE.com that the Celtics have engaged the Cleveland Cavaliers about acquiring the No. 1 overall pick in Thursday's NBA draft. - See more at: http://www.csnne.com/blog/celtics-talk/source-celtics-interested-no-1-pick