Mixed Martial Arts vs. Street Fighting

There's no doubt that mixed martial arts competitors are highly skilled, but how would they fare in a real street fight against a real street fighter?

The Church is Training Boxing in an MMA World –

Mixed martial arts (MMA)

5 notorious street fighters who became MMA stars - MMA Underground

BJ Penn Barred From UFC After His Recent Street Fight

MMA fighter booked into New Orleans jail after Bourbon Street fight

Is MMA Effective in a Street Fight?

Mixed Martial Arts

What is the most hardest and useful fighting style to use in real life in lookism? : r/lookismcomic

Dirty Street Fighting with Adam Hutchins