The maneuvering involved the Pistons, Grizzlies, Clippers, Bucks, Mavericks and Wizards, ESPN’s Shams Charania reported. For Middleton, a member of the Mavericks before the trade, the Wizards sent D'Angelo Russell, a 2029 second-rounder, a 2032 second-round swap and a 2033 second-round pick to the Grizzlies.