Former world champion Alexander Povetkin, who may become the next opponent of world champion Anthony Joshua, agreed to undergo a doping tests on the VADA program. 38-year-old Povetkin twice tested positive for the banned substances in 2016.
"If it's Povetkin, the fight will be be in September, and then we'll meet Wilder as soon as he signs the contract next year," said Eddie Hearn, promoter of Joshua.