Ultimate Fighting Championship mega-star Nate Diaz has been sitting on the sidelines, happily watching the Floyd Mayweather and Conor McGregor saga play out. Seeing as Diaz will always be closely tied to McGregor until they settle their rivalry with a third bout in the octagon, Diaz chimes in on who he thinks will come out on top if Mayweather and McGregor finally meet in the squared circle.