ONE Fight Night 23: Ok vs. Rasulov

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.

Every seven years, in an unsuspecting town, The Tournament takes place. A battle royale between 30 of the world's deadliest assassins. The last man standing receives the $10,000,000 cash prize and the title of World's No. 1 Assassin, which itself carries the legendary million dollar-a-bullet price tag.

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.

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.

A boxer suffers a serious head injury during a fight, and must deal with the consequences.

A former youth boxing champion, Jimmy McCabe is a man in search of hope but looking in all the wrong places. When he hits rock bottom he turns to his childhood boxing club and the only family he has left: gym owner Bill corner man Eddie and promoter Joe. Back in training, years after anyone thought he was a contender, he risks his life, as he tries to stand tall and regain his place in the world.

After a blood- soaked jujitsu match in Dubai, fighting legend Mickey Kelley falls to superstar Blaine. But years later, an online video proves that Blaine cheated, and the world demands a rematch. Can the aging underdog get back into shape in time to vanquish his foe, get revenge, and claim his prize?

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.

Nick and Ruben are hoodwinked into a "shootfighter" (no-holds-barred, to the death) martial arts match by the evil Mr. Lee, who has a grudge against world shootfighter champ(and teacher of Nick and Ruben) Shingo.

A two-bit promoter tries to take a women's wrestling team to the top.

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.

After completing his military service, Walter Gulick takes a job as a sparring partner at a gym, the owner of which sees potential in Walter as a professional fighter—and takes him under his wing.

When her husband goes missing during their Caribbean vacation, a woman sets off on her own to take down the men she thinks are responsible.

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.

Taking place at the Allstate Arena in Rosemont, Illinois, this is the 33rd annual event under the Survivor Series chronology. This is the first time in the history of the event that the NXT brand will be featured.

A team from the United States is going to compete against Korea in a Tae Kwon Do tournament. The team consists of fighters from all over the country--can they overcome their rivalry and work together to win?

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

A heartfelt documentary focusing on the day-to-day lives of professional wrestlers, some on the rise, some on the wane, and others fighting for their lives.

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.

Walking along with his bulldog, Charlie finds a "good luck" horseshoe just as he passes a training camp advertising for a boxing partner "who can take a beating." After watching others lose, Charlie puts the horseshoe in his glove and wins. The trainer prepares Charlie to fight the world champion. A gambler wants Charlie to throw the fight. He and the trainer's daughter fall in love.