Dee ihe na-esote paragraf a - Kulagin bụ onye otu ndị otu egwuregwu mba Russia. Ya na ndị otu egwuregwu mba Russia, ọ gbara na 2010 FIBA Europe Under-16 Championship, 2012 FIBA Europe Under-18 Championship, ebe ọ bụ onye otu nke All-Tournament Team, 2013 FIBA Under-19 World Championship
, na 2014 FIBA Europe Under-20 Championship.