Joe Callaghan

RTÉ Sport contributor

New York's Luke Loughlin runs with the ball while being pursued by Roscommon's Niall McInerney and Cathal Compton

Roscommon survive New York scare to advance

Division 1 outfit Roscommon were made to fight all the way before overcoming New York by a point in their Connacht SFC preliminary round clash in Gaelic Park.

GAA • 02 May 16

Conor McGregor and Nate Diaz after a news conference at UFC Gym in February

Column: Is McGregor seeing sense with a rematch?

"Maybe me and Nate can do it again." Eight short words that swirled in a sea of them at the MGM Grand as the first Saturday of March turned over to Sunday, writes Joe Callaghan.

MMA • 31 Mar 16

Kevin Doyle has had an excellent pre-season with the Colorado Rapids

Column: Irish in the US hoping to impress

Martin O’Neill has his eyes peeled. Roy Keane's, well, they're peeled too. They wake up peeled - and their focus may shift to the US once night falls on Saturday.

Soccer • 12 Mar 16

Conor McGregor: 'This is the fight business. It's another day. I will come back.'

'Heartbroken' Conor McGregor ponders next move

What a difference three months can make. For Conor McGregor, what a difference 25 pounds was to make.

MMA • 06 Mar 16

Nate Diaz applies the winning choke-hold to Conor McGregor

Nate Diaz stuns Conor McGregor into submission

Nate Diaz beat Conor McGregor with a second-round choke-hold submission in Las Vegas as the Irish man's ambitious attempt to leap two weight divisions at once backfired.

MMA • 06 Mar 16

Conor McGregor: 'Everything keeps rising. It's always history when I step inside that octagon.'

McGregor's unstoppable rise scaling bigger heights

Conor McGregor's domination of the UFC has reached the point where he now transcends his own sport as he looks to write another chapter in his astonishing success story against Nate Diaz in Las Vegas.

MMA • 05 Mar 16

Conor McGregor and Nate Diaz were close to coming to blows

McGregor and Diaz get physical in Las Vegas

The brief but heated war of words between Conor McGregor and Nate Diaz finally boiled over in Las Vegas on Thursday afternoon as the headline fighters of UFC 196 moved from verbal to physical and clashed on stage at the MGM Grand.

MMA • 04 Mar 16

Conor McGregor: 'I'm under the [170lbs] weight [limit]. I wake up under the weight, have two breakfasts and then I'm on weight.'

McGregor ready to show 'a new level of power'

Conor McGregor is ready to show a "new level of power" in his Las Vegas UFC 196 showdown with Nate Diaz this Saturday.

MMA • 03 Mar 16

UFC featherweight champion Conor McGregor (L) and lightweight contender Nate Diaz (R) are held apart

Diaz: McGregor wanted to fight me all along

He may insist he runs the fight game but as he arrived in Las Vegas ahead of his latest attempted takeover of the Strip, Conor McGregor was under fresh attack last night.

MMA • 02 Mar 16

Conor McGregor: 'They always run. I was expecting it'

VIDEO: McGregor rejects Diaz steroid allegations

Conor McGregor was forced to furiously bat away steroid allegations as the brief build-up to his welterweight showdown with Nate Diaz next week began with a bang in Los Angeles.

MMA • 25 Feb 16