ONE Fight Night 43: Tang vs. Gasanov

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.

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.

Four fighters from different backgrounds come together to train under an ex MMA rising star and then ultimately have to fight each other and the traitor in their midst.

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.

In Los Angeles, an ex-con takes the underground fighting world by storm in his quest to fulfill a promise to a dead friend.

The life of boxer Jake LaMotta, whose violence and temper that led him to the top in the ring destroyed his life outside of it.

Monroe Hutchens is the heavyweight champion of Sweetwater, a maximum security prison. He was convicted to a life sentence due to a passionate crime. Iceman Chambers is the heavyweight champion, who lost his title due to a rape conviction to ten years in Sweetwater. When these two giants collide in the same prison, they fight against each other disputing who is the real champion.

College freshman Abby tries to distance herself from her dark past while resisting her attraction to bad boy Travis.

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.

When he loses a highly publicized virtual boxing match to ex-champ Rocky Balboa, reigning heavyweight titleholder Mason Dixon retaliates by challenging the Italian Stallion to a 10-round exhibition bout. To the surprise of his son and friends, Rocky agrees to come out of retirement and face an opponent who's faster, stronger and thirty years his junior. Rocky takes on Dixon in what will become the greatest fight in boxing history!

Philo takes part in a bare knuckle fight – as he does – to make more money than he can earn from his car repair business. He decides to retire, but when the Mafia come along and arrange another fight, he's pushed into it. A motorcycle gang and an orangutan called Clyde all add to the 'fun'.

To help his divorced neighbor claim a substantial inheritance, a family man poses as her husband. The ruse spills over into his career in advertising, and his recent promotion relies on his wholesome and moral appearance.