LiAngelo Ball, the brother of rookie of the year LaMelo Ball, is expected sign with the Hornets and be on their summer league roster when it’s finalized, league sources told SI.com’s All Hornets. The move is on track to happen as the team prepares to fully assemble its roster and depart for summer league in Las Vegas from August 8-17.Playing in the league’s summer showcase next month could provide Ball, 22, with the opportunity he needs to jumpstart his career.