Cain Velasquez defends UFC title with quick victory over 'Bigfoot' Silva

Reigning heavyweight champion proves last year's first-round defeat of challenger was no fluke by forcing the referee to stop the rematch in 1 minutes 21 seconds.Cain Velasquez successfully defended his Ultimate Fighting Championship heavyweight belt against Antonio Silva on Saturday night with a performance even more impressive than his previous first-round disposal of "Bigfoot" last year.