To be honest, Conor is not really renowned for his kicks. Mayweather is by far the better boxer, with results and a lifetime of experience on his side, but Conor is also a heavy hitter and pretty much a "mixed martial artist boxer". Floyd is the favorite, but it is really interesting to watch and I believe it could go either way.
RE: Floyd Mayweather vs Connor McGregor Announced: What Does This Mean For The Sport of Boxing?