Cian McConville top scored for St Mary’s as they made it through to the next round of the Sigerson Cup.
McConville, who recently received a called up to Kieran McGeeney’s Armagh squad after an impressive club championship campaign, nailed four important frees.
The Ranch students defeated TU Dublin by four points in the end, 1-12 to 1-8. A late goal confirming the win.
The Crossmaglen attacking ace, who finished the club championship as third highest scorer with 0-24, edged his side in front by one with time almost up.
Derry’s Paddy Quigg rattled the net in the final minute of stoppage time to ensure victory for Gavin McGilly’s men.
Six Armagh players saw game time in the four point triumph, with four getting on the scoresheet.
Tom O’Kane of Armagh Harps began at wing half back. His second half score handed his side a one point advantage, having trailed by 0-6 to 0-4 at the interval.
Mullaghbawn midfielder Cormac Smyth also raised a white flag after the half time turnaround.
Conor McConville, who was in fantastic form throughout the club championship for Clann Eireann, split the posts as well.
Silverbridge clubman Sean Rock lined out at wing half forward while Collegeland’s Shane Donnelly entered the fray as a second half sub.
St Mary’s will now face reigning champions DCU, who overcame Maynooth by 11 points on Tuesday evening.
Ulster University finished on the losing side in their opening round tie with NUIG in strange circumstances.
A serious knee injury suffered by NUIG substitute Sean Mulkerrin forced the game to end early, as both sides awaited the arrival of an ambulance.
The Galway based college lead 1-10 to 2-5 at the time and were awarded the victory. They will now face QUB in the next round.