Business is good for Conor McGregor, but it could be better.
The UFC interim featherweight champion might be making $3.5 million bets with Dana White but he's leaving money on the table.
The real cash, according to McGregor, would be fighting Floyd Mayweather, boxing's biggest draw, in a sport that doesn't exist.
McGregor correctly assumes Floyd won't be stepping into the Octagon any time soon, but he's willing to compromise.
"Why would he take me on?" McGregor asked The Guardian. "But if you're talking about a fight that could generate half a billion - it's this one.