UFC 212: Pick the winnersClaudia Gadelha and Karolina Kowalkiewicz will square off Saturday in the co-main event of UFC 212 in Rio de Janeiro. ESPN.com IllustrationESPN.comJun 2, 2017, 09:00 AM ETEmailPrintUFC 212 -- slated for Saturday at Jeunesse Arena in Rio de Janeiro -- has two of the most anticipated fights of the year and a multitude of other intriguing matchups.Who will come out on top? Vote below.