Whoa! That guy completely deserved it, but that is not what you expect to see from a fight in a subway. He is provoking him and taunting him for a long time. The other guy is very calm and patient and even tries to calm him down. But he won’t stop. Even a woman intervenes to calm him down. But he won’t stop. Towards the end of the video the MMA dude has had enough and chokes the guy out, albeit very, very calmly.