EXCLUSIVE CONTENT Get ESPN+ Trade grades: Who wins the Grizzlies-Pistons deal?James Ennis is headed to Detroit. Jayne Kamin-Oncea/USA TODAY SportsKevin Pelton, ESPN Senior WriterFeb 9, 2018, 12:37 AMClose Co-author, Pro Basketball Prospectus series Formerly a consultant with the Indiana Pacers Developed WARP rating and SCHOENE systemFollow on XEmailThe dealGrizzlies get: Forward Brice Johnson, 2022 second-round pickPistons get: Forward James Ennis