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 ImagesFacebookTwitterFacebook MessengerEmailKevin Pelton, ESPN Senior WriterJul 8, 2017, 01:23 AMClose Co-author, Pro Basketball Prospectus series Formerly a consultant with the Indiana Pacers Developed WARP rating and SCHOENE systemFollow on XFacebookTwitterFacebook MessengerPinterestEmailThe dealCeltics get: Forward Marcus MorrisPistons get: Guard Avery Bradley, 2019 second-round pick