La Riña (2008)

Jake, full of anger after his father's death, is just starting to find a place for himself at his new Orlando high school - until Ryan, head of an underground MMA fight club, picks Jake out as a prime opponent. After being trounced by Ryan in front of the entire school, Jake begins training under the firm, moral guidance of a MMA master, where he learns how to fight... and how to avoid a fight. But it becomes obvious that a rematch will be inevitable if Jake wants to stop Ryan and his bullying, once and for all.

When a woman's father goes missing, she enlists a local to aid in her search. The pair soon discover that her father has died at the hands of a wealthy sportsman who hunts homeless men as a form of recreation.

Lyon Gaultier is a deserter in the Foreign Legion arriving in the USA entirely hard up. He finds his brother between life and death and his sister-in-law without the money needed to heal her husband and to maintain her child. To earn the money needed, Gaultier decides to take part in some very dangerous clandestine fights.

In the depression, Chaney, a strong silent streetfighter, joins with Speed, a promoter of no-holds-barred street boxing bouts. They go to New Orleans where Speed borrows money to set up fights for Chaney, but Speed gambles away any winnings.

When Anna Wyncomb is introduced to an underground, all-female fight club in order to turn the mess of her life around, she discovers she is much more personally connected to the history of the club than she could ever imagine.

A Chicago cop is caught in the middle of a gang war while his own comrades shun him because he wants to take an irresponsible cop down.

A former fighter reluctantly returns to the life she abandoned in order to help her sister survive the sadistic world of illegal fighting and the maniac who runs it.

An underground MMA fighter must confront his sister and his past in an adventure through parallel universes

An American Army Major goes AWOL to Hong Kong for an outlawed martial arts contest called the Kumite.

A young Asian American martial artist is forced to participate in a brutal formal street-fight competition.