The 20-year-old bagged 23 goals for Blyth last season as the Spartans were crowned champions in the Evo-Stik Northern Premier League.

Armstrong, the son of former Boro man Alun Armstrong, is familiar to Rockliffe Park having previously spent time with our Academy as a youngster.

The striker will join Enes Mahmutovic in linking up with our Under-23s side.