Russians and any other top countries only wrestle Olympic style Freestyle or Greco-Roman from a young age. Freestyle is the Biggest and by far the most popular. Americans grow up wrestling Scholastic/Collegiate style and it hurts us on the World Freestyle/Greco level. Most Americans are only introduced to Freestyle on the HS level right now and for a short period during a year. USA has a couple guys that have been able to make that transition but as a whole we are way behind many countries. Pretty much the same for foreign wrestlers when they wrestle the HS/College rules.