ORANGE COUNTY, Fla. – Around 12,000 athletes are expected to make their way to Orange County as the Amateur Athletic Union 2020 Junior National Volleyball Championship gets underway Tuesday at the Orange County Convention Center. “We are really excited to have events in our facility and we are so appreciative of AAU Volleyball and all that they are going to be bringing to our community,” said OCCC Executive Director Mark Tester. “The industry is starting to come back and there is pent up demand.”News 6 went inside the Convention Center area where the athletes are set to compete in matches beginning on Wednesday.