Ricky Burns and Julius Indongo will face off tonight in Glasgow
Burns won his world title by knocking out Josh King in Liverpool in November 2015 and has since twice successfully defended it, both times on home soil in Glasgow.
Now Indongo will put his IBF super-lightweight title on the line in a huge unification fight.
But who do the experts think you should bet on in tonight’s bout?
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Alex Arthur, former WBO interim, British and Commonwealth super-featherweight champion
"There should be a big crowd because I've heard sales have gone well – there are some great prospects on the card – and I can see Ricky doing this quite comfortably.
Alex Arthur is a former world champion who reckons Ricky Burns will win
“He has done it for years and has never been stopped and I think the only knockout we might see is Burns stopping Indongo late on.
“Certainly Ricky on points."
One of Ricky Burns and Julius Indongo will walk away a two-belt world champion
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Johnny Nelson, former WBO cruiserweight champion
"This could be very, very close, but it is experience that might see Ricky home.
“Indongo might have a bit of naivety because of the way he blew the Russian out but even Terence Crawford couldn't stop Burns.
“I see Indongo going for the big early knockout but then tiring, and we know Ricky will finish strongly.
“It might be rough and it might be tight, but I am going for a close points win for Burns."