GEORGE KAMBOSOS JR talked to Jake Paul and warned him that Tommy Fury is 'in a tough fight'.
Fury will face Paul over eight rounds in a 192lb catchweight fight on December 18, Florida.
Jake Paul vs Tommy Fuey on December 1 8
He also chatted with Kambosos (28-year-old lightweight champion) via FaceTime, after Teofimo Lopez, 24 from Australia, was stunned.
Helen Yee was told by Kambosos: "He was so excited.
He is a star worldwide, so I gave him some tips about his fight.
"And many people are saying that he may not be able win this fight. As they were saying to me.
"But, if you believe that you can do anything, it is possible."
Paul beat YouTuber "AnEsonGib", ex-NBA star Nate Robinson (37), and Ben Askren (37).
In August, however, the American improved his record to 4-0 by winning eight rounds against Tyron Woodley (ex-UFC champion), 39.
Fury, 22 beat Anthony Taylor, 32 to make it 7-0. This set up the megafight.
Kambosos said, "I think it will be a good fight. I think it will be a great fight. I think, he [Paul] is very focused.
"He's a YouTuber, but he is a true fighter in boxing.
"So, I believe he can do the business. But again, Tommy Fury comes from the Fury lineage so they will come and fight.
"It will be an exciting battle."
