Usyk was videoed immediately shaking hands with Liam Smith, whose brother Callum overcame an incredible battle with Joshua Buatsi in the first fight of the night.
The unified WBC, WBA, and WBO heavyweight champ could be hearded quietly chanting: "Eddie, Eddie, Eddie" before he shook hands with Hearn.
With Usyk and AJ both in the building, they'll watch Congolese boxer Martin Bakole step in to fight Parker on two days notice.
And fans believe it could be a sign of things to come later as there's been talks of a possible third fight between AJ and Usyk.
OLEKSANDR Usyk was spotted asking for Anthony Joshua just seconds after arriving for Beterbiev vs Bivol 2.
