Dlagnev has made eight national teams (Top 3 at the World Team Trials) since 2009, winning the World Team Trials each year with the exception of 2010. Dlagnev has won two bronze medals at the World Wrestling Championships, in 2009 and 2014. At the 2009 World Wrestling Championships, Dlagnev finished 4–1 with a loss in the semifinals to Fardin Masoumi, while at the 2014 World Wrestling Championships Dlagnev also finished 4–1 with a loss in the quarterfinals to eventual champion Taha Akgül.