Saturday sport: FA Cup, URC, and GAA action

A big day of third round FA Cup action kicks-off with the possibility of a couple of upsets as Leicester head to Gillingham and Tottenham host managerless Portsmouth.

Nottingham Forest attempt to avoid a slip-up at Blackpool, Bournemouth take on Championship leaders Burnley and Brighton are at Middlesbrough later this afternoon.

This evening sees Sheffield Wednesday attempt to get past in-form Newcastle, a London derby between Brentford and West Ham, as well as another all-top-flight clash between Liverpool and Wolves.

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Celtic have the chance to go 12 points clear at the summit of the Scottish Premiership this afternoon.

The defending champions host Kilmarnock at Parkhead from 3pm.

Ulster look to bounce back from last weekend's loss to Munster when they take on Benetton in the United Rugby Championship this lunchtime.

Dan McFarland's side sit third in the table but have only won one of their last five games in all competitions.

There's a 1pm kick-off in Treviso, where Ulster wing Robert Baloucoune will win his 50th cap for the province.

Mack Hansen and Finlay Bealham return for Connacht for their match against the Sharks in Galway at 5.15pm.

And Harry Byrne starts his first game of the season for leaders Leinster, who are away to the Ospreys at 7.35pm.

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The Vodafone Women's Interprovincial Series gets underway this afternoon.

Ireland internationals Aoife Dalton and Dannah O’Brien are among 10 Leinster debutants for their clash with Connacht at Energia Park at 2.30pm.

Munster begin the defence of their title against Ulster at Musgrave Park from at 4.45pm.

Micheál Donoghue has his first game as Dublin hurling