Tayshaun Prince scored a season - high 21 points .
Guard Mike Conley had 20 as the Memphis Grizzlies ended the Washington Wizards ' six - game winning streak with a victory .
Tayshaun Prince scored a season - high 21 points and guard Mike Conley had 20 as the Memphis Grizzlies ended the Washington Wizards ' six - game winning streak with a victory .