By Jeff Powell For The Daily Mail
Published: 22:31 GMT, 7 February 2020 | Updated: 22:31 GMT, 7 February 2020
Joe Joyce has vowed to punish Daniel Dubois for slighting his partially blind mother when Britain’s giant world championship prospects clash this spring in the biggest domestic heavyweight fight for years.
The two undefeated big punchers began promoting their April 11 British and Commonwealth title fight at a media conference attended by the Nigerian born mother of Olympic silver medalist Joyce.
Marvel Opara, who is registered blind with optic atrophy, called out from the audience accusing her son’s imminent opponent of once ducking a big amateur fight.
Joe Joyce (R) has vowed to punish Daniel Dubois (L) for slighting his partially blind mother
Joe Joyce's mother Marvel Opara during the press conference at the BT Tower on Friday
Dubois - out of character with his normal quiet manners - responded: ‘It’s probably good that if you’re going to be at ringside at the 02 you won’t be able to see what I do to your son. ‘
Joyce, who engaged in a minor pushing scuffle with