Eventually, Chambers realizes that Boyka will not lose consciousness, will not submit, and will likely knock him out if the fight goes on too long. The fight is long and intense, with flurries of combinations, grapples, and throws traded between the two. Once the rematch begins, it is apparent to all the viewers that the combatants are evenly matched and Chambers is more impressive in his style. Chambers receives training in mixed martial arts from Crot, who was a former soldier and the one who trained Boyka in his fighting style.

Later, Chambers confronts Boyka over the sedative incident after Boyka learns that his gang spiked Chambers' water behind his back, Chambers demands a rematch to ensure his release. Following the match, Steven hangs himself out of guilt. At the end of the first round, Chambers takes a few sips of the spiked water, causing him to lose on the second round when he loses consciousness and falls to Boyka's flying kick. Prior to the fight however, Boyka's gang force Steven, who is acting as Chambers' cornerman, to spike his water with a light sedative during the fight.ĭuring the fight, Chambers is somewhat taken by surprise at the flurry and variety of Boyka's attacks, but manages to hold his own through the first round by keeping his distance, staying calm, and dealing out painful punching combinations whenever possible. Both fighters train hard for the match, though Chambers still relies on his boxing background while Boyka prepares a series of deadly kicks, throws, and grappling combinations designed to humiliate his opponent in the ring. He is rescued from both forms of humiliation by an inmate named Crot, who uses a wheelchair. Chambers initially refuses, but after spending time in demeaning physical labor in the prison's sewer system and experiencing firsthand the brutality of the guards, he reluctantly agrees. Mob boss Gaga and Warden Markov tell Chambers that if he fights Boyka, he will likely get an expedited appeal and early release.

Chambers shares a cell with Steven Parker, a British junkie. The prison officials arrange these fights and place large side-bets to make a personal profit, often at the expense of the fighters. There, he discovers a series of illegal mixed martial arts matches dominated by inmate Yuri Boyka.

Some years after fighting Monroe 'Undisputed' Hutchen in prison, former boxing champion George 'Iceman' Chambers visits the Russian Federation for a series of boxing matches, where he is subsequently framed for possession of cocaine and once again sent to prison.

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