Promoter Eddie Hearn has admitted Anthony Joshua's next world heavyweight title defence against Kubrat Pulev could be pushed back a month to July.
Joshua is scheduled to face the Bulgarian at Tottenham's new stadium on June 20, but that date could now be required by the club for a potential extension of the Premier League campaign.
Hearn, whose Matchroom organisation earlier confirmed the postponement of all boxing events in March and April, once again dismissed the prospect of any of his major bouts being staged behind closed doors.
Referring to the June 20 date, Hearn told Sky Sports News: 'At the moment it's still in place.