Rent Undisputed (2002)

When the world's heavyweight champion (Ving Rhames) is sent to prison, everything points to an inevitable showdown of the penitentiary's undefeated champ (Wesley Snipes). But to make sure the meeting will happen, a former mob boss (Peter Falk) must call in favours from the outside world. Then the battle is on... and the action, adrenaline and intensity switch into high gear.