I despair at the human race sometimes...
As its name says, Mixed Martial Arts covers a bit of different styles. If the MMA fighter is not a specialist in any style, so I think he is easily defeated by an expert in something. But everything depends on the skill level of each one.
About the place for fight, I´m no from Londres, but usually, some gym's owners or Gym's staff would know a good place for fight to happen.
~cracks knuckles~ Bitch I aint even started yet so if you are gonna reply...at least get someone else to write your retort because quite frankly this is easier than kicking a no limbed mouse over a hedge. Plus the mouse has more chance of winning in life than you.