Patrick Alan
Fight matches, that end when a man is either unconscious or dead, are fought in Tijuana. 2 naive friends, hoping to make a quick buck, go there. One owes money to a loan shark - giving them plenty of practice in no rule fights.
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.