 The U.S. men's basketball team has two exhibitions in London, including Saturday on Fox TV against South Sudan, 3 p.m. Eastern time. Monday afternoon on Fox, it'll be the U.S. against Germany. As the NBA summer league continues in Vegas, that'll go through Monday. The Memphis Grizzlies traded former first-rounder Zaire Williams to Brooklyn. Tomorrow, the U.S. Olympic women's basketball team has its send-off game in Phoenix against a team of