They take on Crusaders in the County Antrim Shield semi-finals
Championship club PSNI are aiming to pull off one of the shocks of the season tonight.
They're away to Premiership champions Crusaders in the semi-finals of the Toals County Antrim Shield.
Police manager Ian Campbell admits it's a big ask, but says he's not throwing in the towel just yet.
The other semi-final is Linfield against Ards at Windsor Park.
Both games start at 7.45.