Carl Froch starts negotiations with Gennady Golovkin for Wembley showdown

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Carl Froch's representatives have begun discussions with Gennady Golovkin's camp for a high-risk bout which could be the Nottingham fighter's second consecutive Wembley sell-out and a dramatic finale to his career.

The explosive Golovkin has recorded 30 knockout victories in 33 unbeaten fights and says he would be willing to go up from middleweight to super-middleweight in order to face Froch, who has said he will only box again if a fight genuinely excites him.

"If I fight Golovkin I will back him up, take what he's got and beat him up," Froch said in the Daily Mail.

Eddie Hearn, Froch's promoter, added: "I've now spoken with Carl directly about this and he is interested. I only want him to take it if he's genuinely motivated because it is a high-risk fight.

"But it would be massive and we can fill Wembley again. Given Carl's interest, we have already opened negotiations with Golovkin's people and they are very keen."

Froch last entered the ring in 2014, when he knocked George Groves out in the eighth round in front of 80,000 people at Wembley, while Golovkin fought as recently as last Saturday, when he stopped Willie Monroe in the sixth-round to become the boxer with the highest knockout percentage in the history of the middleweight division.

Golovkin's explosive power appears to have deterred a number of likely opponents from facing him, so he is prepared to put on the necessary weight to make a fight with Froch happen.

The Kazakh's promoter, Tom Loeffler, told Boxing Scene: "We've told Froch's promoter Eddie Hearn that Gennady will go to 168lbs to fight Carl in what would be a tremendous fight. But it is not clear whether Carl will retire or fight again."

Hearn remains aware of the threat to Froch, and said he was reluctant at first to countenance the fight but has since had his mind changed by the "crazy" Nottingham fighter.

"Golovkin is the most feared fighter in the world now and Carl doesn't need this fight. But he says he is intrigued by how he would deal with him. He's crazy that way."