Power Rankings: Heavyweight

Updated: February 25, 2013, 4:18 PM ET
ESPN.com
Sunday, Feb. 3
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There was a time, back when Dana White was calling Strikeforce "Strikefarce," that Antonio "Bigfoot" Silva and Alistair Overeem stood front and center for the biggest heavyweight grand prix ever assembled. They didn't meet in that Strikeforce tournament, but they did at UFC 156, a titanic clashing of caricaturized behemoths that would determine the next challenge for Cain Velasquez's belt. Trouble was, everybody assumed it would be just a formality; Silva was Overeem's springboard moment toward his UFC glory. You know how these things go. Bigfoot used what he perceived as Overeem's cockiness and disrespect as motivation, and took it to the Dutch fighter in the third round. It ended up being one of the most incredible knockouts in heavyweight history. Now the question is whether Bigfoot's victory was emphatic enough to earn him a chance at the title, and to avenge his UFC 146 loss to Velasquez.