Skip ahead about 45 seconds, and then don't divert your attention from your computer.
Yep, that took 0:02 for Ryohei Mashuda to knock out Takahiro Kuroishi at Outsiders 2 in Japan. After that, a melee ensues in the ring. When poor Kuroishi wakes up, he has no idea what happened or what is going on.
Thanks to Cage Potato