With Mayweather vs. McGregor world tour stop over in Toronto, MMA Fighting's Ariel Helwani and Marc Raimondi break down the top storylines. Subscribe: http://goo.gl/dYpsgH Check out our full video catalog: http://goo.gl/u8VvLi Visit our playlists: http://goo.gl/eFhsvM Like MMAF on Facebook: http://goo.gl/uhdg7Z Follow on Twitter: http://goo.gl/nOATUI Read More: http://www.mmafighting.com MMA Fighting is your home for exclusive interviews, live shows, and more for one of the world's fastest-growing sports. Get latest news and more here: http://www.mmafighting.com