He was named to his sixth Pro Bowl and was ranked 25th by his fellow on the NFL Top 100 Players of 2016. Marshall's 2016 season became less productive than the previous year due to mostly dropped balls, constant rotation at the quarterback position, and locker room controversy with teammate Sheldon Richardson. He started in 15 games and finished the season with 788 receiving yards and three touchdowns. After the 2016 season ended, Marshall was reported to be released by the Jets in late February. The Jets released Marshall in order to fully transition into a rebuilding stage. Marshall signed a two-year, $12 million contract with the New York Giants. On September 10, 2017, in the Giants' season opening 19–3 loss to the Dallas Cowboys on "NBC Sunday Night Football", Marshall had one reception for ten yards in his Giants' debut. On October 8, 2017, Marshall was carted off the field after hurting his ankle in the Giants' 27-22 Week 5 loss to the Los Angeles Chargers. The following day, Marshall announced in an Instagram post that he would undergo season-ending surgery. He was placed on injured reserve on October 10, 2017. He finished the 2017 season with 18 catches for 154 yards and zero touchdowns. On April 19, 2018, Marshall was released by the Giants and was considered a bust by fans and the New York sports media. Marshall signed a one-year contract with the Seattle Seahawks worth up to $2 million with incentives on May 29, 2018. After playing in six games, he was released by the Seahawks. Marshall was signed by the New Orleans Saints on November 12, 2018. He was released on December 13, 2018 after failing to appear in any games. Marshall has been nicknamed "The Beast" during his NFL career. Marshall enjoys restoring vintage automobiles. He is a member of the Kappa Alpha Psi fraternity (initiated into the Lambda Omega Chapter) and does charity work with them. He is involved in an ongoing effort to rebuild Larimer Park in Pittsburgh, Pennsylvania. He is married to Michi Nogami and they have two children. On July 31, 2011, Marshall announced at a press conference that he had been diagnosed with borderline personality disorder (BPD) and that he hopes to spread awareness and understanding about the illness. Marshall said his entire professional career and adult personal life has been marred with symptoms of BPD, but only recently through treatment has he learned to consciously and effectively deal with the resulting problems of his actions that have been influenced by BPD.