David Zawada pulled off a great first-round submission win over Abubakar Nurmagomedov on the UFC Moscow preliminary card. After Nurmagomedov dominated the opening minutes with his wrestling and ground-and-pound, Zawada was able to recover his guard, and catch Nurmagomedov in a triangle choke. After threatening an armbar, Zawada stuck with the triangle, which ultimately forced Nurmagomedov to tap out.
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Rich Franklin has done much inside a mixed martial arts cage.