Teräskehä was released in the year 2002。Teräskehä is also called as Undisputed, Undisputed - Si, Un seul deviendra invincible, Só Um Será Vencedor, Invicto, Imbatível, Iceman, Dead Lock, Contraataque。

George "Ice Man" Chambers (Rhames) is a top ranked heavyweight boxer. However Chambers has his world turned upside down when he is accused of rape and sent to prison. Upon his arrival he hears talk about Monroe Hutchen (Snipes) who is the top ranked prison boxing champ 10 years running. Immediately there is bad blood with Chambers not wanting to be second to no one which leads to a lunch room fight between the men. Figuring it will be a good way to make money fellow convict Emmanuel 'Mendy' Ripstein (Peter Falk) sets up a prison boxing match between the two men to decide who is the real UNDISPUTED champ. Michael Rooker plays a guard, Fisher Stevens, John Seda, and Master P co star.

Teräskehä actors and actresses include Fisher Stevens, Jon Seda, J.W. Smith, Master P, Michael Bailey Smith, Michael Rooker, Nils Allen Stewart, Peter Jason, Susan Dalian, Ving Rhames, Wesley Snipes, Wes Studi。