McArthur is one of eight boxers dreaming of �25,000 for a night's work
The eight fighters competing for the Prizefighter title on Tuesday night at Glasgow's Kelvin Hall were all in good shape at Monday's weigh-in.
In the initial bouts, four Scots are fighting four Englishmen for a final £25,000 prize that will be awarded to the winning lightweight on the night.
The new format is one favoured by promoter Tommy Gilmour: "The whole thing happens in one night.
"All the boys have got even matches. There is no clear favourite."
The Prizefighter event has proved popular in England and this is the first time the tournament is being held in Scotland.
Clydebank's Gary McArthur, Ryan Brawley, Scottish champion Charlie King and Stuart Green from Glenrothes will each have three three-minute rounds against their English opponent.
The winners proceed to the semi-finals and then the final bout to decide who wins the money.
Gilmour said: "Three of the Scots have 34 wins out of 34 contests so someone is going to go home tomorrow night with their unbeaten record in tatters.
"We're trying to change the audience. Rather than watch one fighter, we want them to come out and watch the whole tournament."
Brawley faces Ben Murphy of Sussex in the first bout of the night and was in confident mood ahead of his fight.
"It's a good draw. He's wee and you know exactly how he's going to fight.
"He'll just come straight forward because of his size and build," said the Irvine fighter, undefeated in nine bouts.
"I'm confident I will win the competition."
McArthur from Clydebank faces Walsall's Steve Saville in his opening bout.
"I can't wait for it," said McArthur, the unbeaten southpaw.
"I've got a hard opponent in the first round. I'd have preferred someone a bit easier but, whether it's the first round or the last round, you've just got to get on with the job."
This is our version of The Apprentice. This is our chance to seize the day
Prizefighter Charlie King
The two other Scottish fighters told BBC Scotland that winning the tournament would be a springboard for greater things.
King, who takes on Paul Holborn, said: "I'll just go in there and give it my best. I've got a lot of people coming from Lanarkshire to cheer me on.
"It is the biggest night of my life. If I win it, I could die a happy man. The money is one thing, but to win it would be amazing.
"It's the platform it would give you, the sponsorship that would come off the back off it.
"This is our version of The Apprentice. This is our chance to seize the day."
While Glenrothes lightweight Green said: "I'll just give it a go and see what I can do. It would mean the world; the money and the doors it would open up."
Green fights Liverpool's unbeaten boxer Stephen Burke in his quarter-final.
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