Halloween is a little less than two weeks away but MMA fans might have thought the holiday came a bit early this year thanks to UFC 166. Last night’s lineup  served as a trick for squeamish fans and treat for those of the bloodthirsty variety thanks the brutality on display. Before evening’s end, the canvas was coated with crimson, numerous competitors ended up unconscious, and more than one athlete’s face was rendered into a swollen mess. (Photos by USA Today Sports Images)