 Complete the following phrase:  In the U-20 1987 World Junior Championships, Fedorov made his national team debut for the Soviet Union. The Soviet team was ejected as well Canada for their part in the infamous punch-up in Piestany bench-clearing brawl during the final game. The fight is famous for officials having turned off the arena lights in a desperate attempt at ending the 20-minute melee. He played again with CSKA Moscow teammate Alexander Mogilny in the 