Floyd Mayweather says UFC has offered him $1 billion to return to combat sports.
Mayweather claims the deal could encompass up to four fights.
Mayweather defeated Conor McGregor using boxing rules in August. After the bout, McGregor said Mayweather would excel in UFC.
Mayweather said they called me not too long ago and asked me to come back. I can come back If I want to, I can come right back to the UFC.
"I can go fight in the Octagon - I can go and do a three or four-fight deal in the Octagon and make $1 billion."
