UFC heavyweight champion Jon Jones has pleaded with Floyd Mayweather to stay well clear of making the move into the octagon. Mayweather’s last professional fight came seven years ago in a blockbuster crossover fight with Conor McGregor. The bout broke pay-per-view records with both fighters earning millions with Mayweather announcing his official retirement. But the 47-year-old was back in the ring a year later to start his exhibition career, which has included bouts against Logan Paul, Aaron Chalmers and John Gotti III. It’s currently unclear what Mayweather’s next fight will be, but there ha…