But in the dying seconds Thistle's teen sensation Aidan Fitzpatrick struck the winner to haul Jags off
The 17-year-old got the Jags off
and running after being set up by Cardle who netted the second, with Steven Saunders and Blair Spittal ensuring they made the last 16 after PJ Crossan had scored for Stranraer.
And he hopes the weekend win over Hamilton that took the Jags off
the bottom can lead to his real prize.
But Kerr has warned Neil McCann's side it would be foolish to write the Jags off
as they go there aiming for a first away-day success this term.
The 23-year-old admits he is fully prepared to go to battle in order to win and lift the Jags off
the foot of the Premiership table.
New Partick Thistle boss Ian McCall has been handed a clash with newly-promoted Stirling Albion at Forthbank and he's looking to get the Jags off
to a flyer.
David Elebert finished the Jags off
in 83 minutes with a shot from inside the box that appeared to take a slight deflection before hitting the right-hand post then the left and trundling over the line.
Robert Dunn got the Jags off
the mark this season but the Red Lichties, with ex- Thistle manager Tommy Bryce netting, stay in pole position in the Second Division.