UFC"s Valentina Shevchenko -- Amanda Nunes Is a Chicken ... Bock, Bock, Bock (VIDEO)

UFC badass Valentina Shevchenko says Amanda Nunes is straight-up SCARED to fight her — and she’s already thinking up excuses to avoid meeting her in the Octagon. Shevchenko — who just beat up Julianna Pena last month — says her sights are set on…

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