UFC heavyweight Derrick Lewis always speaks his mind in his post fight interviews, and this one was no different after he knocked out Aleksei Oleinik in the second round at UFC Vegas 6 on Saturday night.

Subscribe to get all the latest UFC content: http://bit.ly/2uJRzRR

Experience UFC live with UFC FIGHT PASS, the digital subscription service of the UFC. Visit https://ufcfightpass.com/

To order UFC Pay-Per-Views on ESPN+, visit https://bit.ly/2vNIBE8 (U.S. only)

To order UFC Pay-Per-Views, visit http://welcome.ufcfightpass.com/#PPV (Non U.S.)

Connect with UFC online and on Social:
Website: http://www.ufc.com
Twitter: http://www.twitter.com/ufc
Facebook: http://www.facebook.com/ufc
Instagram: http://www.instagram.com/ufc
Snapchat: UFC
Periscope: http://Periscope.tv/ufc

Connect with UFC FIGHT PASS on Social:
Twitter: http://www.twitter.com/ufcfightpass
Facebook: http://www.facebook.com/ufcfightpass
Instagram: http://www.instagram.com/ufcfightpass

All of the fighters competing at UFC Vegas 6 faced off with their opponent after weighing in on Friday morning, including an intense stare down between headliners Derrick Lewis and Aleksei Oleinik.

Subscribe to get all the latest UFC content: http://bit.ly/2uJRzRR

Experience UFC live with UFC FIGHT PASS, the digital subscription service of the UFC. Visit https://ufcfightpass.com/

To order UFC Pay-Per-Views on ESPN+, visit https://bit.ly/2vNIBE8 (U.S. only)

To order UFC Pay-Per-Views, visit http://welcome.ufcfightpass.com/#PPV (Non U.S.)

Connect with UFC online and on Social:
Website: http://www.ufc.com
Twitter: http://www.twitter.com/ufc
Facebook: http://www.facebook.com/ufc
Instagram: http://www.instagram.com/ufc
Snapchat: UFC
Periscope: http://Periscope.tv/ufc

Connect with UFC FIGHT PASS on Social:
Twitter: http://www.twitter.com/ufcfightpass
Facebook: http://www.facebook.com/ufcfightpass
Instagram: http://www.instagram.com/ufcfightpass