Liverpool meet Watford in the early Premier League game and Leinster host the Scarlets this evening.
Tottenham manager Nuno Espirito Santo admits he's been left with "huge issues" after two of his players tested positive for Covid-19.
The unnamed pair will miss the club's next three games, starting with tomorrow's match against Newcastle.
Their manager Steve Bruce has been told to "carry on as normal" by the club's new owners.
It was widely reported that he'd lose his job following the Saudi-led takeover at St James' Park.
Claudio Ranieri faces a tough opening match as Watford manager when his side take on Liverpool in today's lunchtime kick-off in the Premier League.
Manchester United are aiming to get back to winning ways when they travel to out-of-form Leicester this afternoon.
Meanwhile, Manchester City face Burnley and early leaders Chelsea are at Brentford in the late game.
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Shamrock Rovers need just seven more points from their remaining six games to retain the SSE Airtricity Premier Division title.
Danny Mandroiu scored the opener before turning provider for Aaron Greene in a 2-nil win at home to Sligo last night.
Second placed St. Pat’s fell to a 1-nil defeat at Derry, where both sides ended the game with ten men.
A late Georgie Kelly penalty rescued a point for Bohemians at home to Dundalk - 1-1 the final score at Dalymount.
Waterford had keeper Brian Murphy sent off, but still managed a 4-1 thrashing of Finn Harps at the RSC.
While Drogheda were 2-nil winners at home to Longford.
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Women’s National League leaders Peamount play host to Athlone this evening.
Second-placed Wexford go to Cork from 2.
While DLR Waves take on Bohemians.
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RUGBY
A pair of Nick Timoney tries helped preserve Ulster’s perfect start to the United Rugby Championship.
Dan McFarland’s side collected their fourth bonus point in as many matches in a 26-points to 10 win at home to the Emirates Lions.
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Bundee Aki makes his first appearance of the season for Connacht this evening.
Andy Friend’s side face a much-changed Munster side at Thomond Park.
Chris Cloete is the only player retained from the Munster fifteen that stared last week’s win away to the Scarlets.
There’s a 7.35 start in Limerick.
Meanwhile, Leinster welcome the Scarlets to the RDS where kick-off is at 5.15.
SNOOKER
Mark Allen has the chance to reach the final of the Northern Ireland Open today.
The Antrim native takes on Ricky Walden in the semi-finals at the Waterfront Hall.
RACING
There’s an eight-race card at Leopardstown today, with the first going to post at 1.30.
Across channel there are four Group 1’s down for decision on Champions Day at Ascot.
Pick of the bunch is the Queen Elizabeth the Second Stakes, which is off at 3.10.