They face RB Leipzig, Copenhagen and AC Milan respectively.
In the Champions League tonight, Celtic's players will wear black armbands in memory of those who lost their lives in the Creeslough tragedy.
Celtic face RB Leipzig in Group F at Parkhead from 8.
Real Madrid and Shakhtar Donetsk meet in the other Group game.
At 5.45, Manchester City play Copenhagen in Group G at Denmark
In the other match in that Group, Borussia Dortmund are up against Sevilla.
Chelsea take on AC Milan in Group E at the San Siro from 8pm.
Dinamo Zagreb play Red Bull Salzburg in the other tie in that Group.
In Group H, it's Maccabi Haifa against Juventus and Paris Saint Germain to face Benfica.
Weekend URC Fixtures
Some Match Fixtures Rescheduled Due To Failed Pitch Inspections
Shamrock Rovers Attacker Victor Ozhianvuna Confirmed Move To Arsenal For 2027
It's A Very Busy Weekend Ahead For Men And Women's Football And Camogie
Republic Of Ireland Head Coach Names 24 Man Squad For The Upcoming FIFA World Cup 26 Qualifiers
Daniel Flynn Retires From Inter County Football
Thursday Morning Sports Update
Andrew Browne Named As Ireland's Under 20's Head Coach
