Both will be at full capacity.
Both FAI Cup semi finals tonight will have full houses.
Waterford will bid to reach their first decider since 2004.
They travel to Dalymount Park to take on Bohemians.
Holders Dundalk will qualify for a seventh successive Cup Final should they defeat St Patrick's Athletic at Richmond Park.
The two matches kick off at 7.45.
There are also two games in the First Division of the SSE Airtricity League.
Galway United take on Bray Wanderers,
And it's UCD versus Treaty United.

Wednesday Morning Sports Update
Ireland Will Kick Off Their Inaugural WXV Global Series Against USA
League Of Ireland Fixtures Announced For European Qualifying Campaigns
Tuesday Morning Sports Update
Andrew Porter Ruled Out Of URC Final
Crumlin's Pico Lopes Likely To Start Cape Verde's Match Against Spain Today
Monday Morning Sports Update
Daughter Of Horse Owner Reveals Shergar Killed Two Days After Abduction From Kildare