The Cleveland Cavaliers have agreed to trade 2019 first-round pick Kevin Porter Jr. to the Houston Rockets for a heavily protected future second-round pick, sources told ESPN.  The pick is top-55 protected, meaning it is likely never to convey, sources said.  The Rockets are taking on Porter, a 6-foot-4 wing who was the 30th overall pick in the 2019 draft, as a reclamation project after personal issues have prevented him from playing this season. Porter, 20, averaged 10.0 points, 3.2 rebounds and 2.2 assists during a promising rookie year last season.  Sources told ESPN’s Brian Windhorst that the Cavaliers decided to trade or waive Porter after he had a screaming match with team officials last Friday night, when he attended his first game of the season. Porter was upset that his locker had been moved to an auxiliary area after his old locker was given to Taurean Prince, who arrived along with Jarrett Allen in the four-team James Harden trade last week.