If you’re a fan of heavyweight action, chances are good you’ve already got a spot on the couch reserved for the PPV portion of UFC 166. Saturday night’s lineup boasts three tilts between big boys including champion Cain Velasquez defending his belt against former title-holder Junior dos Santos, not to mention bouts featuring Darrell Montague-John Dodson and Gilbert Melendez-Diego Sanchez. All in all, it’s an event sure to entertain with a main card certain to produce more than one performance-based bonus. (Photos by USA Today Sports Images)