[1] The bout was held on December 9, 2017 at The Theater at Madison Square Garden in New York City.

Lomachenko and Rigondeaux are regarded as two of the best amateurs in history, with each boxer winning two Olympic gold medals.

"[2] Lomachenko won by TKO when Rigondeaux retired on his stool after round 6 after claiming to have injured his left hand.

[3] On August 14, Arum spoke to LA Times and confirmed either Rigondeaux or Salido would be Lomachenko's next opponent.

[6] On October 3, Arum stated there was less than a hundred tickets remaining and the event would go on to be the biggest live gate in the history of the Theatre.

[8] On November 28, the WBA announced that Rigondeaux would lose his title at super bantamweight if he lost to Lomachenko.

WBA president Gilberto Mendoza Jr. went on to say if Rigondeaux defeats Lomachenko, he would have five days to decide whether he is to return to the division or stay at super featherweight.

It is a historic bout for boxing, where for the first time two boxers, two world champions, each holding two Olympic gold medals, will meet in the professional ring.

I'm thankful that Roc Nation Sports and Top Rank made this fight happen, and I can't wait to make a statement on Dec. 9 in New York City.

And I look forward to delivering the best performance of my career, beating a fellow legendary Olympian in Lomachenko and solidifying my place as one of the best pound-for-pound fighters of this era.This fight against Vasyl Lomachenko is the marquee challenge that Guillermo has been coveting, and we're grateful for Roc Nation Sports' hard work in making this a reality.

It's going to be a battle, but Guillermo will make Cuba, Miami and all of his fans worldwide proud when he beats Lomachenko on Dec. 9.In an interview with BoxingScene.com, Roy Jones Jr. was also asked to give his thoughts on the fight.

It was noted, however, that the smaller, Rigondeaux appeared muscular and prepared for the biggest challenge of his professional career.

[14] In front of a sell out crowd of 5,102 at the Theater, Lomachenko retained his WBO title, forcing Rigondeaux to retire on his stool after round 6.

[17] On December 12, Dino Duva of Roc Nation Sport, confirmed that Rigondeaux had bruised his hand and not fractured it, as initially stated.

For the year 2017, it finished behind Manny Pacquiao vs. Jeff Horn at second place, averaging 1.5 metered market rating and 2.114 million viewers.

[23] The whole card averaged 1.3 rating[24] and 1.73 million viewers, which did not include ESPN Deportes or the online streaming service.