UFC Fight Night 166: Blaydes vs. Dos Santos

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.

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.

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.

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?

Billy "The Great" Hope, the reigning junior middleweight boxing champion, has an impressive career, a loving wife and daughter, and a lavish lifestyle. However, when tragedy strikes, Billy hits rock bottom, losing his family, his house and his manager. He soon finds an unlikely savior in Tick Willis, a former fighter who trains the city's toughest amateur boxers. With his future on the line, Hope fights to reclaim the trust of those he loves the most.

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

Jackie Justice is a mixed martial arts fighter who leaves the sport in disgrace. Down on her luck and simmering with rage and regret years after the fight, she's coaxed into a brutal underground fight by her manager and boyfriend Desi and grabs the attention of a fight league promoter who promises Jackie a life back in the Octagon. But the road to redemption becomes unexpectedly personal when Manny - the son she gave up as an infant - shows up at her doorstep. A triumphant story of a fighter who reclaims her power, in and out of the ring, when everyone has counted her out

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.

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 female boxing trainer discovers that her champion cage-fighter boyfriend has been cheating on her with her sister and decides to seek revenge by training up his arch-rival to challenge him.

WWE Superstar Mike "The Miz" Mizanin returns as Jake Carter where he is assigned to protect a whistleblower who wishes to expose a corrupt military defense contractor. However, the military hires a heavily armed team of mercenaries to kill her and it's up to Carter to stop them at any cost.

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.

Two feuding brothers (one a policeman, the other a martial arts expert) of different political views, join forces to avenge the death of their father, a retired agent, killed by the mafia.

The legendary Roberto Duran and his equally legendary trainer Ray Arcel change each other's lives.

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.

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.

When a battered boxer past his prime finds his dreams and his relationships on the ropes, he falls back in with a dangerous crowd and has to take the biggest swing of his life to reclaim his hope and his family.

In 1980s Hollywood, action star Johnny Cage is looking to become an A-list actor. But when his costar, Jennifer, goes missing from set, Johnny finds himself thrust into a world filled with shadows, danger, and deceit. As he embarks on a bloody journey, Johnny quickly discovers the City of Angels has more than a few devils in its midst. He faces off against a sinister secret society plotting a nefarious scheme, but the brutal fight against the bloodthirsty warriors of the Netherrealm is just beginning.

A man who trains fighting cocks vows to remain silent until one of his birds wins a championship.