He has struggled for form at times in the reserves this season and added to that a number of injury problems he has had, it has not been the best of seasons for the youngster who was expected to make a real push for the first team this season.
He made a big impression on Billy Dearden last season when he had an outstanding game at left back in Dearden's first game, but injury again ruled him out a few weeks after.
In all Riley has made 10 appearances for The Magpies.