The undefeated Russian - the cousin of retired UFC and MMA legend Khabib - retained his lightweight title with a decision victory over Brent Primus at Bellator 300 early on Sunday morning. Bellator chief Scott Coker had the three champions in action on the card enter the cage for a photo opp after the culmination of the historic event.Nurmagomedov, 25, was joined in the cage by women's fly and featherweight champions Liz Carmouche and Cris Cyborg.But he found himself in an awkward spot when Carmouche tried to shake his hand.Carmouche, who retained her 115lbs title with a TKO victory over Ilima-Lei MacFarlane earlier that night, stretched out her right hand to Nurmagomedov after he joined the line-up.