Armagh seal final spot
The home side scored four goals inside the opening 25 minutes in Crossmaglen, with Martin Maguire scoring the first after 40 seconds. Fiachra Bradley and a brace from Conor Corvan saw them establish a healthy lead.
Roscommon pulled a goal back through their top-scorer James Coyne on 32 minutes but Armagh still led 4-4 to 1-10 at half-time.