Name the Russian mixed martial artist who currently fights in the lightweight division of the UFC and is a training partner of Natalia Vitalyevna Vorobieva, a Russian wrestler who competed in the 2012 Summer Olympics?
Natalia Vorobieva:  Vorobyeva train with UFC and M-1 Global MMA fighters, such as Khabib Nurmagomedov, Islam Makhachev, Vyacheslav Vasilevsky, Abubakar Nurmagomedov, Mikhail Malyutin, Ali Bagov.
i don't know