United of Newcastle UBO RB Sports & Media UBO and Amanda Staveley Jamie Reuben. declared to be selling the team to Roman Abramovich…

There seems to be some confusion in your message. Roman Abramovich, a Russian billionaire, was the owner of Chelsea FC, but he has had to sell the club due to sanctions and political pressures. As for Newcastle United, they are owned by a consortium consisting of the Public Investment Fund of Saudi Arabia, PCP Capital Partners (led by Amanda Staveley), and the Reuben Brothers.

As of now, there is no verified information about Newcastle United being sold to Roman Abramovich. If you meant a different context or need updates about the ownership situation of Newcastle United, please clarify or provide more details.