MIKE TYSON broke into the marijuana trade by opening his own cannabis ranch in California. The former heavyweight champion purchased 40 acres of land in California City, a town with a population of just 15,000 people southwest of Death Valley. 5 And Iron Mike plans to take advantage of the state’s legalisation of recreational marijuana. The ‘Tyson Ranch’ will have 20 acres for ‘master growers’ to have maximum control of the environment. .enen.