Roy Jones Jr has claimed he’s ‘heard’ that Mike Tyson and Jake Paul’s upcoming showdown has been ‘upgraded’ to a professional fight. It was announced earlier this month that the two Americans will lock horns on July 20 at the AT&T Stadium in Texas. On Saturday, reports suggested their showdown would be an exhibition – instead of a professional fight – with a list of rules apparently in place. Paul’s manager has since shut down those claims, however, branding them ‘fake news’. Tyson fought Jones Jr back in 2020, with the 57-year-old returning to the ring after officially retiring in 2005. And t…