ONE Fight Night 13: Allazov vs. Grigorian

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.

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.

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

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.

Four young friends, while taking a shortcut en route to a local boxing match, witness a brutal murder which leaves them running for their lives.

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.

Up-and-coming sports reporter rescues a homeless man ("Champ") only to discover that he is, in fact, a boxing legend believed to have passed away. What begins as an opportunity to resurrect Champ's story and escape the shadow of his father's success becomes a personal journey as the ambitious reporter reexamines his own life and his relationship with his family.

Small-town boy Shawn MacArthur has come to New York City with nothing. Barely earning a living selling counterfeit goods on the streets, his luck changes when scam artist Harvey Boarden sees that he has a natural talent for streetfighting. When Harvey offers Shawn help at making the real cash, the two form an uneasy partnership.

The amazing true story of Billy Moore, an English boxer incarcerated in Thailand’s most notorious prison. Thrown into a world of drugs and violence, he finds his best chance to escape is to fight his way out in prison Muay Thai tournaments.

A man must survive a prison where hardened criminals battle to the death for the warden's entertainment.

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.