EXCLUSIVE CONTENT Get ESPN+ Trade grades: Is Jameer Nelson an upgrade for the Pistons?Jameer Nelson is headed to Detroit. Rob Carr/Getty ImagesKevin Pelton, ESPN Senior WriterFeb 8, 2018, 12:04 PM ETClose Co-author, Pro Basketball Prospectus series Formerly a consultant with the Indiana Pacers Developed WARP rating and SCHOENE systemFollow on XEmailThe dealPistons get: Guard Jameer NelsonBulls get: Center Willie Reed, rights to swap second-round picks in 2022