ATLANTA (AP) — The Atlanta Hawks have signed undrafted rookie free agent center Matt Costello of Michigan State. The 6-foot-9, 245-pound Costello averaged 5.7 points and 5 rebounds on the Hawks’ summer league team in Las Vegas. Costello averaged 10.7 points and 8.2 rebounds as a senior at Michigan State. He holds the school’s career record with 146 blocked shots. Terms of the deal were not released.
Atlanta Hawks assistant general manager Michael Blackstone is leaving the organization according to a report by the Atlanta Journal-Constitution’s Chris Vivlamore. Blackstone spent just one season with the Hawks and had the working title of executive vice president/sports practice director. Per the report, Blackstone was responsible for managing player contract and trade negotiations, administration of the salary cap and directing the basketball operations staff and strategy. The report doesn’t indicate whether Blackstone’s departure was a mutual agreement by both sides. Blackstone previously spent three years with the Cleveland Cavaliers as their director of basketball operations. The Hawks