Eddie Hearn believes Terence Crawford vs Jaron 'Boots' Ennis is the best fight that can be made in boxing today.
The British promoter signed Ennis earlier this year and the pair are staging their first fight together on Saturday night.
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'Boots' will defend his IBF welterweight world title against David Avanesyan, having missed out on the fight he really wants.
When Crawford beat Errol Spence in his last fight last year, he became the undisputed WBA, WBC, IBF and WBO welterweight world champion.
At the time, Ennis held the IBF 'interim' belt and was mandatory for a shot at the champ.
However, Crawford showed no interest in facing the talented unbeaten American contender and ended up being stripped of the belt.
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As a result, Ennis was upgraded and has become the IBF champion by default.
Crawford has instead elected to move up in weight and will be challenging Uzbekistan's WBA super-welterweight world champion Israil Madrimov on August 3.
Hearn promotes Madrimov too, and told reporters: "I really like Madrimov's chances against Crawford, but Crawford is obviously a big favourite."
However, looking ahead, the promoter then said: "Crawford vs Boots is the best fight in boxing, unquestionably.
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"But before Boots goes to 154lbs, I would really like to see him unify at 147lbs...
"The move up in weight is inevitable.
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"But at the same time, you want to do it when he's achieved everything he can achieve at 147lbs.
"I've got to be honest - being around him and seeing the size of him, I was quite surprised that he makes 147lbs like he does.
"At the weigh-in on Friday he was 146lbs, and [his father/trainer] Bozy Ennis was like, 'I actually think he could make 140lbs.'
"He didn't look dry, his face wasn't drawn in the slightest.
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"And he believes he can go up to 168lbs eventually so I think you're gonna see someone like Jaron Ennis definitely move to 154lbs and definitely move to 160lbs over time.
"But I don't like to make the move without clearing up the division. He's won a world championship, but it'd just be a shame if he didn't unify as someone of his ability."
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