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Ultimate Fighting Championship (UFC) is bringing a bevy of "Prelims" fights to UFC Fight Pass-only this weekend (Sat., Sept. 2, 2017) when UFC Fight Night 115: “Volkov vs. Struve” storms Rotterdam Ahoy in Rotterdam, Netherlands. MMAmania.com's Patrick Stumberg kicks off the UFC Fight Night 115 "Prelims" party with the first installment of a two-part undercard preview series below.