Francis Ngannou wastes no time in his heavyweight bout with Cain Velasquez, needing only 26 seconds to knock out the former champ in the main event of UFC Fight Night: Ngannou vs. Velasquez. Ngannou dedicates his victory to his aunt who died in December and says "I'm back." Velasquez is deeply apologetic in his post-fight interview, saying he hopes to return as soon as his knee heals and apologizes to the Phoenix crowd. ✔ Subscribe to ESPN on YouTube: http://es.pn/SUBSCRIBEtoYOUTUBE ✔ Subscribe to ESPN FC on YouTube: http://bit.ly/SUBSCRIBEtoESPNFC ✔ Subscribe to NBA on ESPN on YouTube: http://bit.ly/SUBSCRIBEtoNBAonESPN ✔ Watch ESPN on YouTube TV: http://es.pn/YouTubeTV ESPN on Social Media: ► Follow on Twitter: http://www.twitter.com/espn ► Like on Facebook: http://www.facebook.com/espn ► Follow on Instagram: http://www.instagram.com/espn Visit ESPN on YouTube to get up-to-the-minute sports news coverage, scores, highlights and commentary for NFL, NHL, MLB, NBA, College Football, NCAA Basketball, soccer and more. More on ESPN.com: http://www.espn.com