 Complete the following phrase:  The next season, as he turned 16 during the summer, Määttä was automatically promoted to JYP under-18 team, but was swiftly promoted after only one game to the under-20 team. While splitting his time between JYP U20 and the D Team in the Mestis second division classificationthe second-highest level of ice hockey in FinlandMäättä once again found time to participate on Finlands national teams, playing for both the under-18 and -20 teams. At the under-18 tournament, he led all Finnish defenceman in scoring with four points and helped Finland to a fifth-place finish. Määttä did not perform nearly as well at the 