SAN JUAN, Puerto Rico — Oleksandr Usyk has been ordered by the WBO to start negotiations for a title defense against Joseph Parker amid reported talks between the Ukrainian and Daniel Dubois for a fight to become the undisputed heavyweight champion.

Dubois withdrew from a bout against Parker in February, and now the latter could secure the fight that the Briton wanted above all others

The World Boxing Organization (WBO) has ordered heavyweight champion Oleksandr Usyk to begin negotiations over a mandatory title defense against Joseph Parker. Parker, who has been on a sensational run of fights,