Shelbourne could be in line for a financial windfall of almost four million euro tonight.
The League of Ireland champions take a 2-1 lead into the second leg of their third round Europa League qualifier with Rijeka (pr: ree-yeka) of Croatia.
If Shels make it through, they will guarantee themselves at least a place in the group stage of the Conference League.
It will be sea of red in Tolka Park as Rijeka have a supporter ban from Uefa.
Shels boss Joey O'Brien sees it as an advantage
Kick off at Tolka Park is at 7:45pm.