Deontay Wilder knocks out Dominic Breazeale in the first round with powerful punch. Footage via Showtime Sports. Subscribe: https://www.youtube.com/user/BleacherReport?sub_confirmation=1 Follow on IG: http://www.instagram.com/f/bleacherreport Follow us on Twitter: http://www.twitter.com/bleacherreport Like us on Facebook: http://www.facebook.com/bleacherreport