MOSCOW, March 31 American mixed martial arts fighter Jared Vanderaa became the new rival of the Russian Alexei Oleinik at the Ultimate Fighting Championship (UFC) 273 tournament, according to the organization's website. The tournament will be held on April 9. Initially, the Russian was supposed to meet with the Swedish fighter Ilir Latifi on March 27. The first time the fight fell through due to the illness of the Swede, the reasons for the second cancellation of the fight are not reported. Also this evening there will be a fight for the bantamweight title between Russian Petr Yan and the current belt holder American Aljamain Sterling. Swedish fighter of Chechen origin Khamzat Chimaev will fight with Brazilian Gilbert Burns. Oleinik is 44 years old, he has 76 fights in mixed martial arts. He won 59 victories and suffered 16 defeats. Another match ended in a draw. 29-year-old Vanderaa won 12 victories and suffered seven losses.