Thirteen years ago, a former UFC champion made his final walk to the octagon. At UFC 141 in 2011, Alistair Overeem stopped former heavyweight champion Brock Lesnar in a main event at MGM Grand Garden Arena in Las Vegas. The event’s poster touted the size of both men: Lesnar standing at 6-foot-3, 265 pounds, and Overeem 6-foot-5, 256 pounds. Needless to say, the fight wasn’t expected to last long, and it didn’t. Overeem quickly took control of the center of the octagon, and patiently waited for Lesnar to present an opening