Jul. 12—LAS VEGAS, Nev. — Former University of Jamestown star Mason Walters will start his NBA Summer League career on national television. The Jamestown native and his Phoenix Suns teammates will take on the Golden State Warriors at the Thomas and Mack Center on Saturday, July 13, at 10 p.m. on ESPN2. Walters and the Suns return to the floor at 3 p.m. on Tuesday, July 16, when they take on ...