On Saturday night, Eubanks Jr., 33, and Ben, 26, were scheduled to fight at catchweight (157 pounds).

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In fact, the latter had provided a test result that contained residues of a reproductive medicine.

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The main event fight at London's O2 Arena was then "prohibited" by the British Boxing Board of Control (BBBOFC).

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Despite the promoters' best attempts to ensure that the fight proceeded as scheduled, it was confirmed on Thursday that it had been postponed in accordance with the fighters' requests.

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I sincerely apologise to the supporters and to everyone who purchased tickets, travelled, and made hotel reservations.

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When it became apparent that Eubanks Jr. v. Ben would not take place as scheduled

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Ben advanced into two weight classes for Saturday's main fight, while Eubanks Jr. was about to lose three pounds more than usual.

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Chris Eubanks and Nigel Benn, the two men's fathers, were on the verge of an altercation roughly 29 years prior.

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It was one of the fiercest rivalries in British boxing history. In 1993, their rematch resulted in a tie.

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Ben was stopped by Eubanks in the ninth round of the Fighters' First Clash three years later.

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