(Photo credit: Kiyoshi Mio) The Memphis Grizzlies waived veteran guard D'Angelo Russell on Friday and signed undrafted guard Brendan Hausen. Russell, 30, was acquired from the Washington Wizards on July 8 in a six-team trade. He had been acquired by the Wizards from the Dallas Mavericks but did not play for Washington while reportedly anticipating a contract buyout. In 11 NBA seasons, while seeing pla