meredith job in "rocky." like fighters are sumo, the bulls are ranked by their ability. their record in the ring. the highest being yokozuna. this is kenny aman. he lives up the road. is there a time limit, or do they go until somebody gives up? >> i think they pretty much go until somebody gives up. but when it gets around -- >> a points system? >> no, no, there's no points system. basically when the other one turns around and runs away, that's the winner. a few times one bull will actually get around to the side and actually be able to flip the bull over. >> right. win or lose or survive? both? >> once in a while you'll have injuries but most of the time the bulls go home and -- >> they go home and be happy. >> they do. >> nobody's turned into steaks or cutlets. >> no. >> togyu started as early as the 17th century with farmers pitting bull against bull. they love it in agricultural communities like this so much so that it was briefly banned in some places because farmers were spending too much time at the fights and not enough time growing sugarcane.