UFC 122: Marquardt vs. Okami (2010)

Russian inmate Boyka, now severely hobbled by the knee injury suffered at the end of Undisputed 2. No longer the feared prison fighter he was, he has declined so far that he is now good only for cleaning toilets. But when a new prison fight tournament begins - an international affair, matching the best fighters from prisons around the globe, enticing them with the promise of freedom for the winner - Boyka must reclaim his dignity and fight for his position in the tournament.

A pair of aging boxing rivals are coaxed out of retirement to fight one final bout -- 30 years after their last match.

Picking up after the events of Never Back Down 2, former MMA champion Case Walker is on the comeback trail to become champion once again.

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.

Gabriel Caine has just been released from prison when he sets up a bet with a business man who owns most of Diggstown, a boxing-mad town. The bet is that Gabe can find a boxer that will knock out 10 Diggstown men, in a boxing ring, within 24 hours. Roy 'Honey' Palmer is that man that, at 48, many say he is too old.

A peaceful ex-ninja's life shatters when his son's kidnapping forces him back into violence amid an American-Japanese criminal drug war.

Rick, a down-and-out American boxer, is hired to transport a sword to Japan, unaware that the whole thing is a set up in a bitter blood-feud between two brothers, one who follows the traditional path of the samurai and the other a businessman. At the behest of the businessman, Rick undertakes samurai training from the other brother, but joins his cause. He also becomes romantically involved with the samurai's daughter.

Raised as a slave, Danny is used to fighting for his survival. In fact, his "master," Bart, thinks of him as a pet and goes as far as leashing him with a collar so they can make money in fight clubs, where Danny is the main contender. When Bart's crew is in a car accident, Danny escapes and meets a blind, kindhearted piano tuner who takes him in and uses music to free the fighter's long-buried heart.

At the turn of the 19th century, Pugilism was the sport of kings and a gifted young boxer fought his way to becoming champion of England.

Brazil is a contract killer, willing to take any job if the price is right. Flint left the assassin game when a ruthless drug dealer’s brutal attack left his wife in a coma. When a contract is put out on the same coldblooded drug dealer, both Brazil and Flint want him dead – one for the money, the other for revenge. With crooked Interpol agents and vicious members of the criminal underworld hot on their trail, these two assassins reluctantly join forces to quickly take out their target before they themselves are terminated.