Derrick James Lewis (AKA "The Black Beast") is one of the top heavyweight MMA fighters on the planet. If there are a few people in the world you should probably never tick off, he is one of them.

A petty car thief learned that lesson the hard way last week in Houston:

[Warning: Language]

Seriously, of all the cars to break into, a criminal chose to rob the #2 heavyweight who shares the record for most knockouts in UFC history.

If you're wondering what said beatdown looked like, here's a visual for comparison:

The criminal never stood a chance. Look at him all bandaged up as the police arrested him:

Dude got REKT.

Lewis also posted a picture of his giant fist along with the caption "he's ok."

Translation: That guy is lucky to be alive.