- British heavyweight is due to defend title on Saturday
- Replacement is being considered for card in Saudi Arabia
Daniel Dubois is a serious doubt for his IBF world heavyweight title defence against Joseph Parker on Saturday after falling ill.
The British boxer is being evaluated by a doctor according to a report in the Ring magazine, with a replacement being considered if Dubois is unable to compete. The 27-year-old will miss Thursday night’s pre-fight press conference.