black guy avenges his friend from prison and participates in illegal fights

A former NCAA champion wrestler is paroled after 10 years in prison. Now, to save a friend's life, in a series of cage fights he must agree to do the impossible - lose.

A successful and popular nightclub owner who believes financial independence is the path to equality and success, must act as a go-between for militant-minded brother and the white gang syndicate his brother has attacked and robbed. Their involvements lead to a breathless race course chase, the destruction of a dopepusher and a violent waterfront climax.

While on a prison furlough, a lowly criminal evades his guards and returns to his old stomping ground to take revenge on the people who turned him into a cold blooded killer.

C.J. Thunderbird, a down-on-his-luck professional fighter is informed that his old friend has been killed in an illegal fight. He finds out that the killer is a goon named Rhino and, with vengeance on his mind, tracks him down in Bolivia. The trouble is that the guy works for a local drug lord and the only way for C.J. to get to Rhino is to prove himself with his fists. However, the druglord doesn't want his best goon hurt, so he arranges for the corrupt local authorities to bust C.J. and send him to prison. The only way out is fighting the prison's monstrous colossal cage-fighting champ known as the Beast, who's never left an opponent breathing. Druglord's hot blond Caucasian girlfriend, Ellen, tired of being at the criminal's mercy, decides to help C.J. anyway she can. Even with all the odds against him, C.J. is no pushover and Rhino slowly becomes worried.

In a crime-plagued neighborhood near Miami, brutal, bare-knuckled backyard fights give young men a chance to earn money -- and self-respect.

Blood, and broken bones is a part of being an underground fighter, but for L.G., Jeremy and Conrado there is much more to it. For them it's a way out, it's a way to support a family, and a way to carry on a tradition. However, Mack and Napoleon, the two men running the fights for their gambling website, see the fighters as dogs, expendable, and a cheap way to entertain their online audience.

After thief Alex Cardo gets caught while stealing an ancient katana in East Asia, he soon finds himself imprisoned and beaten up by the crowd there. One of the guards, Demon, feels upset by Alex appearance and tortures him as often as he gets the opportunity. Alex finds a friend and mentor in the jailhouse, Master Sun, who teaches him a superior fighting style called Iron Hand. When a 'best of the best kumite' is to take place, Demon gets an invitation. Now Master Sun and Alex need to find a way to let Alex take part in the kumite too.

A man who must fight through corrupt city officials and an underground street fighting syndicate to gain financial freedom and revenge for the death of his friend.

A man is unjustly convicted of a brutal crime. In prison he must fight for survival, justice and freedom.

After serving three years in prison for a murder he didn't commit, an angry streetfighter seeks justice. Two sworn brothers oppose a gang of killers running a gym.