Watch the Conor McGregor vs. Paulie Malignaggi sparring footage that shows the questionable knockdown, plus McGregor's comments on Malignaggi leaving his training camp for the Floyd Mayweather boxing match. (Knockdown footage used by permission of UFC) Website: http://www.MMAWeekly.com/ Subscribe on Youtube: https://www.youtube.com/subscription_center?add_user=MMAWeeklyVideos Facebook: https://www.facebook.com/MMAWeeklycom-176775391774/ Twitter: https://twitter.com/MMAWeeklycom/ Instagram: https://www.instagram.com/mmaweekly/ Google+: https://plus.google.com/u/0/b/109861839212178013154/+mmaweekly/posts