McDermott, 20, will go into the squad for the visit of Sheffield Wednesday in midweek.
He played 15 times for the League Two side Chesterfield earlier this season, scoring five goals.
Iron sign Man City youngster
McDermott, 20, will go into the squad for the visit of Sheffield Wednesday in midweek.
He played 15 times for the League Two side Chesterfield earlier this season, scoring five goals.