Detroit Lions Fuller was selected by the
Detroit Lions in the sixth round, 171st overall in the
2013 NFL draft. He was cut by the Lions on August 31, 2013, but was assigned to the practice roster the next day. He spent the entire 2013 season on the practice squad. On August 30, 2014, Corey made the Lions 53-man roster. On September 8, 2014, Fuller made his NFL debut, playing 15 snaps. Fuller was active in Week 1 ahead of
Kevin Ogletree and
Ryan Broyles. On October 19 against the
New Orleans Saints, Fuller scored his first NFL touchdown, making a leaping grab of a 5-yard pass from
Matthew Stafford. The touchdown proved to be the game-winner in a 24–23 comeback win for Detroit. Fuller had offseason foot surgery in June 2016 and was placed on the
PUP list to start the season. He was activated off the PUP list on November 8, 2016 prior to Week 10. He was released by the Lions on November 22, 2016 and was signed to the practice squad the next day.
New Orleans Saints On December 19, 2016, Fuller was signed by the
New Orleans Saints off the Lions' practice squad. He was placed on injured reserve on September 2, 2017. He was released by the Saints on November 6, 2017. ==Post-playing career==