Dubois is due to defend the IBF title against Parker in Riyadh, Saudi Arabia, on Saturday (22 February), but organisers are seeking a possible replacement for the Briton, in case he is unable to fight.
His heavyweight title fight with New Zealand’s Parker, 33, is due to serve as Saturday’s co-main event, before Artur Beterbiev and Dmitry Bivol’s rematch for the undisputed light-heavyweight titles.
Daniel Dubois vs Joseph Parker is at risk of collapsing on two days’ notice after the heavyweight champion fell ill, it has been reported.
Organisers are seeking a possible replacement in case Dubois cannot fight, it has been reported.
According to The Ring, 27-year-old Dubois is “being evaluated by a doctor”, while Lawrence Okolie, David Adeleye and Mourad Aliev are being considered as potential replacements.