The Louth men are 1-0 down going into tonight's third qualifying round second leg at Tallaght stadium.
Kick off is at 8.
Former Drogheda and St Pats player Damian Lynch says it will be hard for the Lilywhites to get the result they need.
In Premier League transfer news, Manchester City have made their fifth signing of the summer
20 year old German winger Leroy Sane has joined from Schalke on a 5 year deal.
Sane cost the club over 40 million euro.
Meanwhile, Chelsea defender Baba Rahman is returning to Germany to join Schalke on a season-long loan.
The Ghana international only arrived at Stamford Bridge from Augsburg 12 months ago.
Rahman provided cover for first-choice left back Cesar Azpilicueta, making 23 appearances in all competitions in the last season.
