• Conor McGregor and Jose Aldo make weight ahead of huge title fight
  • Aldo mimics the Irishman’s wide stance during final stare-down
  • McGregor grabbed the champions arm and threw a playful kick
  • Thousands of Irish fans cheered McGregor at the MGM Grand
  • McGregor said: ‘I know the soft part of his face cannot take my shots’
  • Middleweights Chris Weidman and Luke Rockhold in intense stare-down 

Martin Domin for MailOnline

Conor McGregor and Jose Aldo threatened to land the first blows in their featherweight title fight more than 24 hours early.

Having both tipped the scales on the 145lb limit, Aldo posed as McGregor had done in their face off earlier in the week.

His left arm came within inches of McGregor’s face and he reacted, grabbing it and leaping backwards. 

Jose Aldo (left) mimics Conor McGregor (right) as Dana White (centre) holds them apart

Jose Aldo (left) mimics Conor McGregor (right) as Dana White (centre) holds them apart

The featherweights both weighed in at the 145lb championship weight ahead of the bout

The featherweights both weighed in at the 145lb championship weight ahead of the bout

Thousands of Irish fans filled the MGM Grand Garden Arena to cheer on McGregor as he weighed in

Thousands of Irish fans filled the MGM Grand Garden Arena to cheer on McGregor as he weighed in

The Notorious said that the soft parts of Aldo's face would not be able to handle his short punches

The Notorious said that the soft parts of Aldo’s face would not be able to handle his short punches

The huge Irish contingent booed UFC featherweight champion Aldo as he climbed on the scale

The huge Irish contingent booed UFC featherweight champion Aldo as he climbed on the scale

UFC president Dana White stepped in and kept the feuding pair at arm’s length.

McGregor flicked out a leg before they were taken to opposite ends of the stage with all hope of completing the face-off abandoned.

The Dubliner was backed by several thousand of his countrymen and women who filed in in full voice.

They had earlier led the UFC women’s bantamweight champion in a sing-a-long as they chanted ‘Ole, Ole, Ole, Ole’.

Five months ago, they were deprived of the chance to see McGregor face Aldo when the champion pulled out two weeks before their July fight with a fractured rib.

Instead they watched the 27-year-old dismantle Chad Mendes in the second round to win the interim title.

McGregor said he was sick of talking about the Brazilian after almost a year of build up to their fight

McGregor said he was sick of talking about the Brazilian after almost a year of build up to their fight

The weigh-in was reminiscent of McGregor's last fight with Chad Mendes where fans filled the same building

The weigh-in was reminiscent of McGregor’s last fight with Chad Mendes where fans filled the same building

The Notorious holds up the Irish tricolour as he arrives on stage before his adoring fans in Las Vegas

The Notorious holds up the Irish tricolour as he arrives on stage before his adoring fans in Las Vegas

Aldo watches the big screen at the MGM Grand as he waits to weight in ahead of the biggest fight of his career

Aldo watches the big screen at the MGM Grand as he waits to weight in ahead of the biggest fight of his career

Middleweight champion Chris Weidman (left) smiles back at Luke Rockhold as they square off in Las Vegas

Middleweight champion Chris Weidman (left) smiles back at Luke Rockhold as they square off in Las Vegas

And McGregor has promised a similarly quick finish this weekend.

He said: ‘I’m sick of talking about Jose. I look at his facial features and know his face cannot take my shots.’

Aldo said: ‘I’m coming in tomorrow night and I’ll be the champion.’

The supporting cast is led by Chris Weidman’s defence of his middleweight title against Luke Rockhold.

Both men weighed in on the 185lb limit before chattering constantly to each other during the face-off.

Rockhold said: ‘Chris has been a great champion but I’m taking this to a new level.’

The champion responded: ‘He’s never faced anyone like me before. It’s going to be a finish.’

Rockhold said that Weidman has been a good champion but that he was going to take the game to a new level

Rockhold said that Weidman has been a good champion but that he was going to take the game to a new level

Weidman said that Rockhold had never faced anyone on his level and predicted he would retain his title

Weidman said that Rockhold had never faced anyone on his level and predicted he would retain his title

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