EXCLUSIVE CONTENT Get ESPN+ Trade grades: Who wins Celtics-Pistons deal for Bradley, Morris?Needing to make a move, the Celtics are dealing away starting guard Avery Bradley. Maddie Meyer/Getty ImagesKevin Pelton, ESPN Senior WriterJul 7, 2017, 03:23 PMClose Co-author, Pro Basketball Prospectus series Formerly a consultant with the Indiana Pacers Developed WARP rating and SCHOENE systemFollow on XEmailThe dealCeltics get: Forward Marcus MorrisPistons get: Guard Avery Bradley, 2019 second-round pick