Conor McGregor says his fight with Floyd Mayweather won't go past two rounds in Las Vegas this Saturday. <a href='http://www.skysports.com/boxing/news/35588/10982002/mayweather-vs-mcgregor-sky-sports-box-office-booking-lines-for-las-vegas-event-are-now-open' target='_blank'>Book here now to watch on Sky Sports Box Office.</a>
