KO happens in the first round just after the 3:20 mark on the fight clock.
http://www.youtube.com/watch?v=3Q_2wDkZ-Cg
After first missing weight, for what was a title fight but made a non-title fight after missing weight, and then knocking out Yuya Shirai at BAMMA 5 he's now on Facebook announcing to the world that he "thinks Nick Diaz is a Homosexual".